PROGRAM & ABSTRACTS
18 h In e na ional Symposium on T ichop e a
Monday Tuesday Wednesday Thu sday F iday
July 1s July 2nd July 3 d July 4 h July 5 h
8:00-9:00 Regis a ion Regis a ion Regis a ion Regis a ion
Mode a o Ralph Holzen hal S e en Pauls Paul F andsen
9:00-9:20 Regis a ion Monika Sp inge Simon Vi ecek Deb Finn
9:20-9:40 opening sessions Monika Sp inge Simon Vi ecek Deb Finn
9:40-10:00 opening sessions Monika Sp inge Simon Vi ecek Deb Finn
10:00-10:30 B eak B eak B eak B eak
Mode a o Blanca Ríos-Touma And és Mo abowen Isabella E igo Ta iana La o e
10:30-10:50 And ea Encalada Ramí ez Ge win (Pauls) O inge
10:50-11:10 And ea Encalada Dias (Vila ino) Gislason Chan ( emo e)
11:10-11:30 And ea Encalada Qui ei o Hough on Kümme len (Pauls)
11:30-11:50 Holzen hal F andsen 1 La o e-Bel án Robe son
G oup Pho og aphy
12:00-12:30 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
12:30-12:50 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
12:50-13:10 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
13:10-13:30 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
13:30-13:50 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
13:50-14:00 Lunch B eak Lunch B eak Lunch B eak Lunch B eak
Mode a o
E nes o Rázu i-González
Da id Tempelman Fabio Quin ei o S e en Pauls
14:00-14:30 E igo Ríos-Touma Rázu i Hussain
14:30-14:50 Jijon Mendez Mo abowen Clossing Ce emony
14:50-15:10 Co ea-Bedoya Rasmussen F andsen 2 Clossing Ce emony
15:10-15:40 B eak B eak B eak B eak
Mode a o Mau icio Ramí ez
15:40-16:10 Laudee Pos e Session Pos e Session
16:10-16:30 I ano Pos e Session Pos e Session
16:30-16:50 Solano-Ula e Pos e Session Pos e Session
16:50-17:10 Tempelman Pos e Session Pos e Session
17:00-17:20 Pos e Session Pos e Session
17:20-17:40
17:40-18:00
18:00-19:00
19:00-20:00
Symposium Dinne
20:00 onwa ds
Excu sion
Welcome Recep ion
SCHEDULE
18 h In e na ional Symposium on T ichop e a
Monday, July 1s
Opening Session
8:00-9:20 Regis a ion
9:20-10:00 Welcome add esses: D . Blanca Ríos-Touma, Docen e In es igado and Con eno , Uni e sidad
de Las Amé icas, D . Gonzalo Mendie a, Rec o , Uni e sidad de Las Amé icas; announcemen s
and gene al in o ma ion.
10:00-10:30 B eak
Plena y Add ess
Mode a o , Blanca Ríos Touma
10:30-11:30 D . And ea Encalada, Uni e sidad San F ancisco de Qui o, Ecuado . Conse ing Amazon’s
F eshwa e Heal h, Biodi e si y and Connec i i y
P esen a ions
11:30-11:50 Ralph Holzen hal, The T ichop e a o Ecuado
12:00-14:00 Lunch
Mode a o , E nes o Rázu i-Gonzales
14:00-14:30 Isabella E igo, eDNA in he Neo opics: Tes ing i s e icacy as a biomoni o ing ool
14:30-14:50 Gab iella Jijón, Mo phology ou pe o ms DNA ba coding in iden i ying T ichop e a in
Ecuado ian s eams
14:50-15:10 Alejand a Co ea-Bedoya, Tempo al and spa ial compa a i e analysis o axonomic ichness
and unc ional di e si y o T ichop e a in u ban and u al wa e s o middle and lowe Cauca
Basin, Colombia
15:10-15:40 B eak
Mode a o , Mau icio Ramí ez
15:40-16:10 Pongsak Laudee, Species di e si y o caddis lies (Insec a: T ichop e a) om lowland o es
sp ings, Su a Thani P o ince, sou he n Thailand
16:10-16:30 Vladimi I ano , Fi s da a on T ichop e a o he Pu o ana Pla eau (No he n Sibe ia)
16:30-16:50 Da ha Solano-Ula e, Wa e alls as a ese oi o caddis ly la ae: explo ing a poo ly known
habi a
16:50-17:10 Da id Templeman, T ichop e a and Ci izen Science in he Ne he lands
Welcome Recep ion
Uni e sidad de Las Amé icas
17:40
1
Tuesday, July 2nd
8:00-9:00 Regis a ion
Plena y Add ess
Mode a o , Ralph Holzen hal
9:00-10:00 P o . Monika Sp inge , Uni e sidad de Cos a Rica. T ichop e a s udies: Pe spec i es om he
Cen al Ame ican land b idge
10:00-10:30 B eak
P esen a ions
Mode a o , And és Mo abowen
10:30-10:50 Mau icio Ramí ez, Towa ds a obus phylogeny o S ac obiinae (T ichop e a: Hyd op ilidae):
syn hesizing molecula and mo phological da a
10:50-11:10 E e on Dias (Albane Vila ino), Di e si ica ion and his o ical biogeog aphy o long-ho ned
caddis lies (T ichop e a: Lep oce idae)
11:10-11:30 Fabio Quin ei o, Explo ing he T ichop e a in he Taxonomic Ca alog o he B azilian Fauna:
ecen p og ess and pe spec i es
11:30-11:50 Paul F andsen, Wha do genes ha e o do wi h caddis ly silk?
12:00-14:00 Lunch
Mode a o , Da id Templeman
14:00-14:30 Blanca Ríos-Touma, Ele a ional biodi e si y g adien s in caddis lies om he opical Andes
14:30-14:50 Pa ina Mendez, G ow h and de elopmen o unde g adua e T ichop e a esea che s
14:50-15:10 And ew Rasmussen, The T ichop e a auna o Flo ida: di e si y and dis ibu ion
15:10-15:40 B eak
15:40-17:20 Pos e Session 1 [Ali, Al ea , Cos a, Del Cas illo, Ge, Ge h, Kučinić, Maaskan , Rázu i-
Gonzales, San ana, Sganga, Villama ín]
2
Wednesday, July 3 d
8:00-9:00 Regis a ion
Plena y Add ess
Mode a o , S e en Pauls
9:00-10:00 D . Simon Vi ecek, Uni e si y o Na u al Resou ces and Li e Sciences, Aus ia. The impo ance
o axonomy and sys ema ics (again) and some u u e oppo uni ies o T ichop e a esea ch
10:00-10:30 B eak
P esen a ions
Mode a o , Isabella E igo
10:30-10:50 Sonja Ge win (Pauls), Ele a ional di e si y o Rhyacophila (T ichop e a: Rhyacophilidae) in
he Hengduan Shan
10:50-11:10 Gísli Má Gíslason, Rela ionship o T ichop e a species in Iceland wi h o he No h-A lan ic
islands and he mainland o Eu ope
11:10-11:30 Da id Hough on, Analyzing adul T ichop e a o assess ups eam dis u bance: one (caddis)
me ic o ule hem all?
11:30-11:50 Ta iana La o e-Bel án, T ichop e a dispe sion: insigh s om la e al and longi udinal sampling
12:00-14:00 Lunch
Mode a o , Fabio Quin ei o
14:00-14:30 E nes o Rázu i-Gonzales, The T ichop e a o A ica: New species, unknowns, and
s a e-o - he-a
14:30-14:50 And és Mo abowen, Landuse and ele a ion-d i en changes in caddis ly assemblages in
Neo opical s eams in Ecuado
14:50-15:10 Paul F andsen, Milne and Milne e isi ed: The e olu ion o caddis lies
15:10-15:40 B eak
15:40-17:20 Pos e Session 2 [Cas añeda, Gallegos, Li, Majeed, Maaskan , Ramí ez, Rázu i, Sganga, S a k,
Thomson, Vimos, Wa anabe]
Symposium Dinne
La Pu ísima, Qui o His o ic Dis ic
19:00
3
Thu sday, July 4 h
8:00-9:00 Regis a ion
Plena y Add ess
Mode a o , Paul F andsen
9:00-10:00 D . Deb Finn, Missou i S a e Uni e si y, USA. S eam ne wo ks, dispe sal ai s, and
connec i i y in moun ain s eam headwa e s
10:00-10:30 B eak
P esen a ions
Mode a o , Ta iana La o e-Bel án
10:30-10:50 Alexande O inge , La al axonomy o he ne -spinning caddis ly Ce no ina uncona Ross,
1947 (T ichop e a: Polycen opodidae)
10:50-11:10 Yee Qi Chan, T ichop e a in Singapo e: A i s look
11:10-11:30 Ma hias Kümme lan (S e en Pauls), Highe p edic ed clima e-change ulne abili y o
sp ing-dwelling eshwa e bio a
11:30-11:50 Desi ee Robe son, Caddis lies in ho wa e : a e iew o clima e change s udies ela ed o
T ichop e a
12:00-14:00 Lunch
Mode a o , S e en Pauls
14:00-14:30 Zahid Hussain, Taxonomy and DNA ba codes o he amily Philopo amidae (T ichop e a:
Insec a) om India
14:30-15:10 Closing Session: Discussion o P oceedings, enue o 19 h Symposium, in o ma ion abou
excu sions, announcemen s and o he i ems; closing ema ks
F iday, July 5 h
Excu sions
Tandayapa Valley and Volcán Co opaxi
4
PLENARY SPEAKERS
D . And ea C. Encalada
Uni e sidad San F ancisco de Qui o, Ecuado
And ea C. Encalada is a eshwa e ecologis and p o esso
a Uni e sidad San F ancisco de Qui o and an Adjunc
P o esso a he Uni e si y o No h Ca olina Chapel Hill.
She go he Ph.D. om Co nell Uni e si y, and since hen,
she has been wo king on s eam and i e esea ch in
opical and empe a e ecosys ems. Du ing he las 15 yea s,
she has ocused he esea ch on i e s uc u e and unc ion
along ele a ion g adien s in Andean-Amazon wa e sheds.
She is pa icula ly in e es ed in clima e change and o he
an h opogenic changes, including d ying i e ne wo ks, and
how hese impac s migh al e popula ions, communi ies,
and ecosys em p ocesses.
Conse ing Amazon’s F eshwa e Heal h, Biodi e si y and Connec i i y*
The Amazon Basin, a co ne s one o global biodi e si y and a c i ical egula o o ecological p ocesses, is
acing unp eceden ed h ea s om human ac i i ies and clima e change. Amazonian eshwa e ecosys ems
p o ide in aluable se ices, including wa e pu i ica ion, anspo a ion, ene gy, and ood p oduc ion, along
wi h ca bon seques a ion and sus aining an immense biodi e si y. The basin's hyd ological cycles, d i en by
'ae ial i e s,' ecycle a signi ican po ion o wa e and con ibu e o con inen al ain all pa e ns.
These ecosys ems hos an inc edible a ay o biodi e si y; app oxima ely 2,500 ish species inhabi hese
wa e s, many o which a e endemic and i al o he li elihoods o local communi ies. In spi e o his, many
aqua ic g oups emain unde s udied.
Despi e hei impo ance, Amazonian eshwa e ecosys ems a e apidly deg ading due o pollu ion,
de o es a ion, dam cons uc ion, mining, and clima e change. The lack o sewage ea men acili ies,
subs anda d en i onmen al p ac ices in mining and oil ex ac ion, and he cons uc ion o hyd oelec ic dams a e
agmen ing i e s, educing biodi e si y, and impai ing ecosys em unc ions. These ac i i ies no only a ec
aqua ic li e bu also ha e se e e socio-economic impac s on Indigenous Peoples and Local Communi ies
(IPLCs).
To add ess hese challenges, we ad oca e o he conse a ion, emedia ion, and es o a ion o Amazonian
eshwa e ecosys ems. Key ecommenda ions include hal ing dam cons uc ion and p omo ing sus ainable
ene gy by implemen ing a mo a o ium on new dam p ojec s and in es ing in decen alized sus ainable ene gy
solu ions ha suppo local economies and p ese e ecological unc ions. Enhancing wa e ea men and
pollu ion con ol is essen ial, wi h u gen de elopmen o wa e ea men in as uc u e, en o cemen o
pollu ion con ol policies, and p omo ion o he es o a ion o ipa ian ege a ion o imp o e wa e quali y and
ecosys em heal h.
In eg a ing clima e change s a egies in o egional planning is c ucial o main aining ecosys em esilience and
connec i i y. Empowe ing IPLCs by ecognizing and in eg a ing Indigenous knowledge wi h scien i ic
app oaches enhances conse a ion e o s and p omo es co-managemen o eshwa e esou ces. Es ablishing
ansna ional go e nance ag eemen s and secu ing in e na ional inancial suppo a e i al o cohesi e
managemen and conse a ion e o s ac oss he Amazon Basin. In es ing in science and inno a ion suppo s
c oss-disciplina y esea ch and echnological inno a ions o be e unde s and and mi iga e s esso s on
eshwa e ecosys ems.
By os e ing collabo a i e e o s among scien is s, policymake s, IPLCs, and s akeholde s, we aim o
de elop obus s a egies o p o ec and es o e he heal h and connec i i y o Amazonian eshwa e
ecosys ems. This in eg a i e app oach is c ucial o sus aining he ecological balance and ensu ing he
well-being o bo h he en i onmen and local communi ies. He e, I will explo e hese i al opics and discuss
how we can collec i ely con ibu e o a sus ainable u u e o he Amazon Basin's eshwa e ecosys ems.
*also p esen ed on behal o he Science Panel o he Amazon (SPA).
5
D . Deb Finn
Missou i S a e Uni e si y, Uni ed S a es
Deb is a s eam ecologis and associa e p o esso a
Missou i S a e Uni e si y (USA). She spends mos o he
ime a emp ing o mesh empi ical esea ch in s eams wi h
eaching and men o ing s uden s, ul ima ely aiming o ill
hem wi h awe o e “s eam bugs”. She is ascina ed by he
phenomenal di e si y o s eam in e eb a es ha pe sis s in
such dynamic physical habi a s, and much o he wo k
add esses he oles o connec i i y and habi a he e ogenei y
in con e ing esis ance and esilience o popula ions.
Moun ain headwa e s ha e long been he ocus, gi en he
complex opog aphy, hyd ological he e ogenei y, and physical isola ion o headwa e s a he
ips o s eam ne wo ks. She has wo ked in he opical high Andes o Ecuado , he Alps and
Py enees o Eu ope, he G ea Di iding Range in SE Aus alia, and a numbe o moun ainous
egions o No h Ame ica. He a o i e axa a e aqua ic insec s, pa icula ly he EPT.
S eam ne wo ks, dispe sal ai s, and connec i i y in moun ain s eam
headwa e s
Moun ain s eams a e ascina ing and in o ma i e sys ems o es ing hypo heses abou spa ial dis ibu ions o
o ganisms. S eep ups eam-downs eam en i onmen al g adien s, combined wi h wa e sou ces ha can ha e
s ongly con as ing physicochemical cha ac e is ics, p oduce high le els o di e si y o e sho spa ial ex en s.
High-ele a ion headwa e b anches o s eam ne wo ks can also be isola ed om one ano he by ha sh e es ial
condi ions a d ainage di ides, u he p omo ing be a di e si y.
In his alk, I’ll s a wi h a b ie o e iew o my backg ound and indings associa ed wi h aqua ic insec
di e si y in moun ain s eams, and I’ll place s ong emphasis on he ole o dispe sal limi a ion in gene a ing
spa ial pa e ns o di e si y in aqua ic insec s (de ini ely including caddis lies!) wi hin and among s eam
ne wo ks. I’ll hen p esen some case s udies om bo h empe a e and opical high-moun ain sys ems, and
associa ed wi h bo h in aspeci ic di e si y a he popula ion-gene ic le el and in e speci ic pa e ns o
communi y di e si y. These case s udies will sugges a ew ake-home messages, including: 1) A he
single-species le el, knowing some hing abou dispe sal/mo emen capaci y and deg ee o habi a specializa ion
p o ides much insigh in o how gene ic di e si y is dis ibu ed spa ially. 2) I is p obably unwise o in e
dispe sal om “p oxy” ai s such as insec wing mo phome ics. Al hough mo e di icul o measu e, he only
way o unde s and dispe sal is o s udy elemen s o dispe sal i sel . 3) A he communi y le el, aqua ic habi a
he e ogenei y and complex landscape opog aphy p oduce an in ica e mosaic o en i onmen al condi ions in
moun ain s eams, including some condi ions ha a e expec ed o be subs an ially mo e esilien o global
change han o he s. We will hen con e ge on a gene al conclusion ha habi a he e ogenei y and connec i i y
allowing o ganism mo emen among habi a pa ches is and will con inue o be essen ial o main aining
di e si y in s eam-dwelling insec s h ough b oad-scale en i onmen al shi s associa ed wi h clima e change.
6
P o . Monika Sp inge
Uni e sidad de Cos a Rica, Cos a Rica
Monika is a biologis who g adua ed om he Uni e si y o
Munich, Ge many. She a i ed in Cos a Rica o he i s
ime in 1990 as an exchange s uden , and since 1995 she
has wo ked a he School o Biology o he Uni e si y o
Cos a Rica, whe e she is a ull p o esso . She is also an
associa e esea che a he Cen e o Resea ch in Ma ine
Sciences and Limnology, CIMAR, and cu a o o Aqua ic
En omology in he Museum o Zoology, Uni e si y o
Cos a Rica (MZUCR) loca ed in he Cen e o Resea ch in
Biodi e si y and T opical Ecology (CIBET). He esea ch
in e es s include he axonomy and biology o aqua ic
insec s, emphasizing caddis ly la ae and hei use as
biological indica o s in moni o ing, managing, and
conse ing eshwa e en i onmen s.
T ichop e a s udies: Pe spec i es om he Cen al Ame ican land b idge
The Cen al Ame ican land b idge, which ex ends om sou he n Mexico o he no heas o Colombia, is pa o
he Mesoame ican egion and includes he coun ies o Gua emala, Belize, Hondu as, El Sal ado , Nica agua,
Cos a Rica, and Panama ( om no h o sou h). Due o i s geological his o y, posi ion be ween wo oceans, and
a iable opog aphy, his egion hos s many e es ial and aqua ic ecosys ems and is conside ed one o he
wo ld's Biodi e si y ho spo s. As se e al au ho s poin ed ou , Cen al Ame ica is conside ed a hype -di e se
a ea wi hin he Neo opical egion, ha bo ing 5-12% o he wo ld's species ichness. Howe e , when compa ing
scien i ic p oduc ion on biodi e si y opics, he e a e signi ican di e ences be ween he no he n coun ies and
hei sou he n neighbo s, Cos a Rica and Panama, which p oduce almos i e imes as many pee - e iewed
scien i ic pape s. This pa e n also applies o ou knowledge o caddis lies, wi h less in o ma ion published om
El Sal ado , Belize, Hondu as, and Nica agua. A li e a u e e iew was conduc ed based on he Ca alog o he
Neo opical T ichop e a, published by Holzen hal and Calo in 2017, and subsequen publica ions o compile
speci ic in o ma ion o each coun y. To da e, 15 amilies and 61 gene a ha e been eco ded om he se en
Cen al Ame ican coun ies, wi h a o al o almos 800 species, 545 ep esen ing new species. As a esul o a
o me 10-yea in en o y by Holzen hal and co-wo ke s in Cos a Rica, he coun y accoun s o 295 holo ypes,
while 179 belong o Panama, e lec ing he ecen and ongoing e o s made by A mi age and collabo a o s. Fo
he pas nine yea s, his esea ch eam has doubled he amoun o T ichop e a species o Panama and added 2
amilies and 11 gene a o i s in en o y, eaching now a o al o 533 species om 56 gene a. This makes Panama
he coun y wi h he mos caddis ly species wi hin he egion, ollowed closely by Cos a Rica, which hos s he
highes numbe o species pe a ea, wi h nine species pe 1000 km2. The emaining i e coun ies show
signi ican ly lowe numbe s, and, oge he wi h he ac ha 30% o he species we e collec ed so a in only one
coun y, his is mos ce ainly an indica o o he low sampling e o in mos Cen al Ame ican coun ies, as
s a ed also by se e al o he au ho s. As o he imma u e s ages, knowledge is e en less, wi h only 7% o all
Cen al Ame ican species ha ing hei la al s age associa ed and desc ibed, despi e hei well-known
impo ance as biological indica o s in i e s and s eams. On he o he hand, due o hei widesp ead use in
biomoni o ing p og ams and en i onmen al impac s udies, a as amoun o in o ma ion is being p oduced on
he abundance and dis ibu ion o caddis ly la ae in a ious wa e bodies. Collabo a i e esea ch e o s,
capaci y building, and he commi men o hos ing local, well-main ained collec ions a e necessa y o imp o e
ou knowledge o he highly h ea ened Cen al Ame ican eshwa e biodi e si y, iden i y conse a ion gaps,
and help achie e mo e in eg a i e wa e shed managemen in his especially ulne able egion.
7
Assessing ichop e an di e si y in he Oglán Ri e wa e shed: Insigh s om
Amazonian Kichwa communi ies
Sil ana Gallegos-Sánchez1,2 and I án Jácome-Neg e e1
1–Facul ad de Ciencias Biológicas, Uni e sidad Cen al del Ecuado , Campus El Do ado-I chimbía, Qui o,
Ecuado 2–ECOFORENSIC CIC
Co esponding au ho : Sil ana And ea Gallegos Sánchez ([email p o ec ed])
The Oglán Ri e lows h ough a small wa e shed whe e se e al Amazonian Kichwa communi ies eside in hei
ances al e i o y. Much o his e i o y comp ises p is ine opical ain o es s wi h unpollu ed s eams and
i e s. Howe e , an h opogenic p essu es such as oil ex ac ion and logging pose signi ican h ea s o his a ea,
whe e knowledge abou T ichop e an di e si y is limi ed. To add ess his gap, we ini ia ed a ci izen science
p ojec in ol ing he Pablo López del Oglán Al o and he Elena Andy del Uklan Yaku Communi ies. Toge he ,
we ac i ely sampled i e s eams and he Oglán Ri e o assess he di e si y o aqua ic mac oin e eb a es. We
iden i ied and ca ego ized T ichop e a om o he o de s and analyzed he communi y composi ion. In o al, we
collec ed 1333 aqua ic in e eb a es, o which 15% (197) we e caddis ly la ae. We iden i ied 10 T ichop e an
amilies and 17 gene a. The mos abundan amily was Hyd opsychidae, ollowed by Lep oce idae. Among he
sampled i e s, he Yu ak Oglan s eam exhibi ed he highes di e si y (H’=2.25). In Kichwa indigenous
knowledge, all ichop e an axa we e e e ed o as "Rumi Shundu." Hyd opsychidae la ae we e p ima ily
u ilized as ishing bai .
Func ional ai s o he ances al caddis ly la a
Xinyu Ge1 and John C. Mo se2
1–Tianjin Key Labo a o y o Conse a ion and U iliza ion o Animal Di e si y, College o Li e Sciences, Tianjin
No mal Uni e si y, Tianjin, P.R. China 2–Depa men o Plan and En i onmen al Sciences, Clemson
Uni e si y, Clemson, Sou h Ca olina, USA
Co esponding au ho : John C. Mo se ([email p o ec ed])
Recen phylogenomic s udies ha e concluded ha he ances o o subo de In eg ipalpia and o de T ichop e a
p obably had a la a ha was “ ee li ing,” wi hou a po able case o ixed e ea (F andsen e al. in p ess, Ge
e al., in e iew). We e lec u he on he phylogenies in e ed om hose in es iga ions wi h hypo heses
ega ding o he p obable unc ional ai s o la ae o he T ichop e a ances o and i s immedia e descendan s
and o he ex an amphiesmenop e an sis e lineage Lepidop e a. Like he ances al mo h la a, he ances al
caddis ly la a was no only “ ee li ing,” bu also was o en subme ged and wi h mo emen enhanced by a
hook on each anal p oleg. The ances al in eg ipalpian la a cons uc ed a p ecocious dome-like pupal shel e (=
po able case) in ins a V. The hyd op iloid ances o unde wen hype me amo phosis and cons uc ed a
pu se-shaped case. La ae o he glossosoma oid- hyacophiloid ances o li ed in lo ic habi a s and spun
semipe meable cocoons. Meanwhile, he ances al annulipalpian la a cons uc ed a ixed e ea wi h an
ups eam il e ne in lo ic habi a s on exposed su aces o s able subs a es in as wa e .
14
Using subme ged ligh aps o lea n abou caddis lies ha di e o o iposi
a ound he wo ld
William Ge h1, Ch is ina Mu phy2, I an A ismendi1, and Ta iana La o e-Bel an1
1–Depa men o Fishe ies, Wildli e, and Conse a ion Sciences, O egon S a e Uni e si y, Co allis, O egon,
USA 2–U.S. Geological Su ey, Maine Coope a i e Fish and Wildli e Resea ch Uni , Uni e si y o Maine,
O ono, Maine, USA
O iposi ion is a c i ical s ep in he li e cycles o aqua ic insec s. Adul caddis lies exhibi a a ie y o o iposi ion
me hods. In some species, emales di e and swim o o iposi on subme ged subs a es. In he p ocess o
sampling o ano he pu pose, we ound ha subme ged ligh aps can be an e ec i e way o ca ching adul
emale caddis lies as hey di e and swim o lay eggs. We ha e also summa ized published in o ma ion on No h
Ame ican species ha di e and swim o ha e leg modi ica ions ha would p esumably acili a e swimming and
documen ed he addi ional species we cap u ed in subme ged ligh aps. In No h Ame ica, 24 caddis ly species
a e known o ha e emales ha di e and swim o o iposi and 41 species a e eco ded as ha ing leg
modi ica ions ha sugges hey could swim. Mos a e in he amily Hyd opsychidae plus a ew in o he
annulipalpian amilies, bu he e a e also di ing species in he amilies Hyd op ilidae and Ph yganeidae, and leg
modi ica ions ha would sugges swimming abili y in he Glossosoma idae. We would like o collabo a e wi h
colleagues a ound he wo ld o deploy subme ged ligh aps o documen addi ional caddis ly species ha di e
and swim o egg laying.
Ele a ional di e si y o Rhyacophila (T ichop e a: Rhyacophilidae) in he
Hengduan Shan
Sonja Ge win, Xiling Deng, and S e en U. Pauls
Senckenbe g Resea ch Ins i u e and Na u al His o y Museum F ank u , Ge many
S e en U. Pauls (s e [email p o ec ed])
Aqua ic insec s a e pa icula ly sensi i e o dis u bances in aqua ic habi a s because hei li e cycles a e di ec ly
linked o physico-chemical condi ions in hese en i onmen s. He e we combine molecula ools and ecological
analysis o de e mine gene al dis ibu ional pa e ns and associa ed en i onmen al a iables o an unknown
auna o Rhyacophila caddis lies in he Hengduan Moun ains in China. In o al 415 la al and 109 adul
specimens om ou i e ca chmen s be ween 1022 m - 4381 m a.s.l. we e used o he analyses. T ee-based
and dis ance-based me hods we e used o delimi pu a i e molecula ope a ional axonomic uni s (MOTUs)
based on bo h mi ochond ial COI (m COI) and nuclea wingless (nuWG) da a. O e all, 33 adul males and 14
emales we e success ully associa ed o la ae. Many MOTUs we e geog aphically es ic ed and a e, o en
occu ing only in one o wo sampling si es. PCA and mul i a ia e GLM analyses con i med he impo ance o
al i ude and chemical s eam a iables in explaining he abundance o many la al Rhyacophila MOTUs. In
combina ion, he s ong explana o y powe o al i ude and high le el o geog aphical es ic ion o MOTUs
indica es ha Rhyacophila in he Hengduan Shan a e ulne able o ongoing clima e change.
Rela ionship o T ichop e a species in Iceland wi h o he No h-A lan ic islands
and he mainland o Eu ope
Gísli Má Gíslason and Snaebjö n Pálsson
Ins i u e o Li e and En i onmen al Scineces, Uni e si y o Icelan, Reykja ík, Iceland
Co esponding au ho : Gísli Má Gíslason ([email p o ec ed])
Geog aphic a ia ion in he COI m DNA ba code ma ke in en o he T ichop e a species om Iceland
indica es dis inc his o ies whe e di e en species show indica ion o a ying ime since coloniza ion o he
island and sepa a e e olu ion es ic ed o Iceland. One o he h ee Hola c ic species, he pa henogenic
15
Apa ania zonella, appea s o ha e o igina e nea he Bea ing S ai and dispe sed wes o Scandina ia and
di e ged in o a sepa a e lineage wi hin Iceland, whe e ano he ou e was eas N-Ame ica o G eenland and he
popula ions me in Iceland. Limnephilus enes a us and L. pic u a us do no show a clea spli be ween he
Nea c ic and Palea c ic. Fou o he palea c ic species L. a inis, L. g iseus, L. spa sus, L.elegans p esen unique
lineages wi hin Iceland, sugges ing an ea ly colonize a ion a e he Ice-age. Va ia ion wi hin he h ee o he
species e lec a ecen o igin. Po amophylax cingula us o igina es in Cen al Eu ope and i s a ia ion e lec s a
mig a ion ou e wes o F ance and hen no h along he coas o B i ain and inally o Iceland in he 20 h
cen u y. Limnephilus decipiens and Mic op sec a sequax, a e y ecen colonize (21s cen u y) all gene ically
in wi h o he Eu opean species. Fi e o he en species sugges unique m DNA lineages wi hin Iceland
sugges ing an ea ly coloniza ion.
The T ichop e a o Ecuado
Ralph W. Holzen hal1 and Blanca Ríos-Touma2
1–Depa men o En omology, Uni e si y o Minneso a, S . Paul, Minneso a, USA 2–G upo de In es igación
Biodi e sidad, Medio Ambien e y Salud (BIOMAS), Facul ad de Ingenie ías y Ciencias Aplicadas. Ingenie ía
Ambien al, Uni e sidad de Las Amé icas, Qui o, Ecuado
Co esponding au ho : Ralph W. Holzen hal ([email p o ec ed])
Ecuado , c ossed by he equa o and bisec ed by he Andes, ha bo s a ema kable di e si y o plan and animal
species. Fo example, 1663 bi d species ha e been eco ded om he coun y compa ed o 1023 o all No h
Ame ica. This di e si y is e lec i e o he no he n Andean egion o Sou h Ame ica as a whole, p obably he
mos biodi e se egion on he globe. Wha is he caddis ly di e si y o Ecuado ? To add ess his ques ion, we
ha e been con inuously explo ing he auna since 2011. To da e, we ha e eco ded 493 species om he coun y
based on 49,914 cu a ed and da abased specimens om 265 collec ion e en s. O hese, 25 new species and one
new genus ha e been desc ibed and 172 new o po en ially new species awai s udy and desc ip ion. The cu en
o al o species is 183 mo e han eco ded in ou i s assessmen o he auna published in 2017, ep esen ing
mo e in ensi e ield wo k since 2020. Chao 2 species ichness es ima o based on species incidence da a
p edic s ha he ac ual auna con ains 689 species. In addi ion o mo e su ey wo k, u u e e o s will include
COI ba code sequencing o each species and con inued esea ch in o specia ion p ocesses and ecological
adap a ions based on gene ic da a
Analyzing adul T ichop e a o assess ups eam dis u bance: one (caddis)
me ic o ule hem all?
Da id C. Hough on
Depa men o Biology, Hillsdale College, Hillsdale, Michigan, USA
Co esponding au ho : Da id C. Hough on ([email p o ec ed])
Adul s o T ichop e a a e aluable o assessing i e ine bio ic in eg i y; howe e , i is no clea which speci ic
me ic(s) a e mos e ec i e o doing so. In his s udy, >600,000 adul caddis lies we e sampled om 808
s eam sampling si es h oughou he no hcen al Uni ed S a es. Specimen da a we e compiled in o 24 wa e
quali y me ics encompassing axonomic ichness, di e si y indices, unc ional ai s, pollu ion ole ance, and
o ganic biomass. Each me ic was es ed o i s abili y o p edic he known le el o undis u bed habi a
ups eam o each sampling si e using simple linea eg ession modeling. Twen y models we e signi ican and
se en had R2 >0.25. Undis u bed ups eam habi a inc eased wi h pe cen age o sh edde biomass (0.27), a io
o sh edde s o il e ing collec o s (0.28), and ichness a he species (0.41), genus (0.53), and amily (0.61)
le els, and dec eased wi h pe cen age o il e ing collec o biomass (0.34) and he Hilsenho Bio ic Index
(0.37). A mul iple linea eg ession analysis o all 24 me ics p oduced a model ha explained only 8% mo e
da ase a ia ion han did amily ichness exclusi ely. These esul s indica e ha axonomic ichness me ics
cons i u e he mos e ec i e p edic o s o undis u bed ups eam habi a , and ha amily ichness may be he
mos aluable due o i s ease o use and low s ochas ic a ia ion.
16
Taxonomy and DNA ba codes o he amily Philopo amidae (T ichop e a:
Insec a) om India
Zahid Hussain1, Aquib Majeed1, Tab aq Ali1, Sajad H. Pa ey1, and Manp ee S. Pandhe 2
1–Insec Sys ema ics Resea ch Lab, Depa men o Zoology, School o Biosciences and Bio echnology, Baba
Ghulam Shah Badshah Uni e si y, Rajou i, India 2–High Al i ude Regional Cen e, Zoological Su ey o India,
Sap oon, Solan, Himachal P adesh, India
Co esponding au ho : Zahid Hussain ([email p o ec ed])
The amily Philopo amidae, commonly known as inge -ne caddis lies, unde he subo de Annulipalpia, is
ep esen ed by 1508 species unde 26 gene a all o e he Globe and 625 species a e inhabi an s in he O ien al
egion. In India, he amily is ep esen ed by 7 gene a and 155 species. These o ganisms a e signi ican
bioindica o s o wa e quali y and a e c ucial in he aqua ic ood web. Despi e hei ecological impo ance, he
axonomy and molecula p o iling o Philopo amidae in India emain inadequa ely explo ed. This s udy aims o
ill his gap by p o iding a comp ehensi e axonomic e ision and DNA ba code assessmen o he
Philopo amidae amily in India. This s udy p o ides he i s de ailed axonomic e ision and DNA ba code
analysis o he Philopo amidae amily in India, con ibu ing o he global e o s in ca aloging biodi e si y and
unde s anding e olu iona y ela ionships wi hin T ichop e a. In he p esen s udy, we ha e iden i ied se en
species o Philopo amidae wi h no es on hei DNA ba codes. The comple e axonomic o e iew and
phylogene ic analysis o he species shall be p esen ed du ing XVIII h In ana ional Symposia on T ichop e a a
Ecuado .
Fi s da a on T ichop e a o he Pu o ana Pla eau (No he n Sibe ia)
Vladimi I ano 1, S anisla Melni sky1, and And ey A. P zhibo o2
1–Depa men o En omology, Sain -Pe e sbu g S a e Uni e si y, S . Pe e sbu g, Russia 2–Labo a o y o
F eshwa e and Expe imen al Hyd obiology, Zoological Ins i u e o Russian Academy o Sciences, S .
Pe e sbu g, Russia
Co esponding au ho : Vladimi D. I ano ( [email p o ec ed])
The Pu o ana Pla eau is a moun ain massi up o 1.7 km a.s.l. si ua ed a 67–71°N, sou h o he Taymy
Peninsula in no hwes e n pa o he Cen al Sibe ian Highlands. I is o med by basal s om he Sibe ian
T aps. The pla eau is cu by deep alleys wi h i e s and lakes. The Pu o ana egion has a high di e si y o
bio opes and comp ises h ee landscape zones: aiga, p edominan ly la ch o es in alleys, mos ly below 600 m,
moun ain und a gene ally be ween 600 and 1000 m, and a c ic dese usually abo e 900 m. O e one housand
adul and imma u e caddis lies we e collec ed by he la e au ho in 2019–2023 om se e al hund ed locali ies
in nine a eas o he Pu o ana Pla eau. Mo e han 25 species we e iden i ied; some o hem seem o be new o
science. Mos o he eco ded species belong o he subo de In eg ipalpia wi h dominan amilies Apa aniidae
and Limnephilidae. O he amilies a e Polycen opodidae, Glossosoma idae, Ph yganeidae, and
B achycen idae. The auna is peculia in he absence o il e - eeding lo ic species and he comple e absence o
he B e i en o ia amilies. Polycen opodidae, Hyd op ilidae and Glossosoma idae a e ep esen ed by a single
species each. Males o he p edominan ly pa henogene ic species Apa ania o sslundi we e ound o he i s
ime.
17
Mo phology ou pe o ms DNA ba coding in iden i ying T ichop e a in
Ecuado ian s eams
Gab iela Jijón1,2, Isabella M. E igo1,2,3, Jessica Wicks1, Na alie Nybo g1, Lillian Buck1,
Daniel Da is1, Sam S and ing1, John Chas on1, Blanca Rios-Touma2, Paul B. F andsen1
1–Depa men o Plan and Wildli e Sciences, B igham Young Uni e si y, P o o, U ah, USA 2–G upo de
In es igación en Biodi e sidad, Medio Ambien e y Salud (BIOMAS), Facul ad de Ingenie ías y Ciencias
Aplicadas, Uni e sidad de Las Amé icas, Qui o, Ecuado 3–Depa men o Na u al Resou ces, Co nell
Uni e si y, I haca, New Yo k, USA
Co esponding au ho : Gab iela Jijón ([email p o ec ed])
Using mac oin e eb a e bioindica o s is inc easingly c i ical gi en he high le els o dis u bance expe ienced in
aqua ic en i onmen s, pa icula ly in he Neo opics. Such bioassessmen s udies ha e p ima ily cha ac e ized
mac oin e eb a e communi ies using adi ional mo pho- axonomic iden i ica ion app oaches. Wi h he apid
de elopmen o sequencing echnologies, DNA-based app oaches migh allow mo e e icien iden i ica ion o
specimens in s eam su eys. Howe e , cha ac e izing some g oups wi h molecula -based app oaches may be
mo e challenging han o he s. Fo example, he high di e si y o T ichop e a and low sequence ep esen a ion o
Neo opical species in he e e ence ba code da abases can p e en accu a e classi ica ion o hei DNA
ba codes. We pe o med a compa a i e s udy in Ecuado ian s eams o assess he e ec i eness o
molecula -based app oaches agains he adi ional cha ac e iza ion me hod o mac oin e eb a e communi ies.
Replica e samples we e collec ed in en si es ac oss an ele a ion g adien in Ecuado and compa ed using
mo pho- axonomic and me aba coding app oaches. We ound low axonomic o e lap a amily and genus anks
ac oss si es o he mac oin e eb a e communi ies, po en ially due o a lack o e e ence species in he ba code
da abases and p ime bias. No ably, lowe T ichop e a ichness was documen ed in he DNA app oach compa ed
o he mo phological. Conside ing his, I will assess he s a e o Ecuado ian caddis ly ba codes in da abases,
iden i y gaps, and ecommend imp o emen s.
Con ibu ion o he auna, dis ibu ion, and DNA ba coding da a o caddis lies
(Insec a: T ichop e a) in C oa ia
Mladen Kučinić
Depa men o Biology, Facul y o Science, Uni e si y o Zag eb, Zag eb, C oa ia
Co esponding au ho : Mladen Kučinić ([email p o ec ed])
The Republic o C oa ia is geog aphically loca ed in he cen al and sou he n pa o Eu ope, whe e i belongs o
he Cen al Eu opean and Medi e anean coun ies. I has a su ace a ea o 56,000 km2. Based on he
clima ological, geological, and geog aphical cha ac e is ics o he C oa ian e i o y, h ee main egions can be
dis inguished: he Pannonian-Pe ipannonian a ea, he moun ainous cen al a ea, and he Medi e anean a ea.
Caddis ly s udies began in C oa ia a he beginning o he 19 h cen u y. So a , 215 species o caddis lies ha e
been eco ded in he auna o C oa ia, wi h mo e han 100 species eco ded in all h ee biogeog aphical egions.
Du ing in es iga ions in he las en yea s, se e al new species o caddis lies ha e been ound o desc ibed in he
auna o C oa ia, e.g.: Rhyacophila delici Kučinić & Valladolid, Agape us kampos Oláh, Tinodes an onioi
Bo osaneanu & Ta icchi-Viganò, Hyd op ila simulans Mosely, Oxye hi a alca a Mo on, Ecclisop e yx as e ix
Malicky, E. i kae P e išić, G a & Vi ecek, and S enophylax mi is McLachlan. In addi ion o se e al new
species, abou 180 species o T ichop e a om he C oa ian auna ha e been DNA ba coded o da e, wi h 600
DNA ba coded specimens submi ed o he BOLD da abase. Faunis ic esea ch and DNA ba coding o C oa ian
caddis lies will con inue in he coming yea s.
18
Highe p edic ed clima e-change ulne abili y o sp ing-dwelling eshwa e
bio a
Ma hias Kümme len1,2 and S e en U. Pauls3
1–Senckenbe g Biodi e si y and Clima e Resea ch Cen e, F ank u am Main, Ge many 2–Bundesam ü
Na u schu z, Bonn, Ge many 3–Senckenbe g Resea ch Ins i u e and Na u al His o y Museum F ank u ,
F ank u am Main, Ge many
Co esponding au ho : S e en Pauls (s e en.pauls@senckenbe g.de)
En i onmen al change h ea ens eshwa e biodi e si y h ough al e ed empe a u e and p ecipi a ion pa e ns.
Howe e , knowledge and da a a e equen ly insu icien o de e mine impac s a he species le el, leading o
misin e p e ed species ulne abili y. Con e sely, phylogene ic ela ionships, cu en dis ibu ions and ecological
ai s o he caddis ly sub amily D usinae a e well known. Thus, we assessed indi idual and ai -speci ic
clima e change (CC) ulne abili y o 47 D usinae species, by se ing up species dis ibu ion models (SDMs).
Species we e g ouped by la al eeding guild, s eam zona ion p e e ence and le el o endemism. Models we e
calib a ed wi h p edic o s desc ibing clima e, opog aphy and geology a a spa ial esolu ion o 1 km² and we e
p ojec ed o i e gene al ci cula ion models unde ou u u e clima e scena ios. To limi dispe sal, dis ibu ion
p ojec ions we e es ic ed o a maximum o 500 km un il he yea 2080. Rela i e p edic ed ange change
luc ua ed be ween -100% and 197%, wi h ex inc ion p edic ed o i e species. Al i udinal shi s a ied
be ween -2% and +15%, wi h dis ibu ion cen oids shi ing be ween 28 km and 119 km. Ou esul s iden i y
s eam zona ion, a non-phylogene ic ai , as he bes indica o o CC ulne abili y. Fu he , wo impo an
conclusions a e highligh ed: moni o ing is bes done a he species le el, while he biodi e si y o sp ings and
low o de s eams equi es conside ably mo e esea ch.
T ichop e a dispe sion: insigh s om la e al and longi udinal sampling
Ta iana La o e Bel án1, William Ge h1, I an A ismendi1, and Blanca Ríos-Touma2
1–Depa men o Fishe ies, Wildli e, and Conse a ion Sciences, O egon S a e Uni e si y, Co alis, O egon,
USA 2–G upo de In es igación Biodi e sidad, Medio Ambien e y Salud (BIOMAS), Facul ad de Ingenie ías y
Ciencias Aplicadas. Ingenie ía Ambien al, Uni e sidad de Las Amé icas, Qui o, Ecuado
Co esponding au ho : I onne Ta iana La o e Bel án ([email p o ec ed])
Adul aqua ic insec s play a i al ole in suppo ing aqua ic and e es ial ood webs, wi h hei dispe sion and
eme gence in luencing highe ophic le els in adjacen ecosys ems. Gi en he abundance and di e si y o
T ichop e a, s udy o hei dispe sal pa e ns con ibu es o unde s anding he link be ween aqua ic and adjacen
sys ems. He e, we sampled adul aqua ic insec s in he HJ And ews expe imen al o es in wes e n O egon,
USA, o in es iga e la e al and longi udinal dispe sion pa e ns. Fo he 2023 summe , six double ows o s icky
aps we e dis ibu ed wi hin he main channel o he s eam and in he ipa ian zone. Each ap was di ec ed
ups eam, downs eam, le , and igh . We epea ed his expe imen six imes in h ee s eams o la e al
dispe sion and one o longi udinal. Also, i e Malaise aps we e se in one si e. We obse ed i e caddis ly
gene a dispe sing la e ally away om s eams, wi h Mic asema exhibi ing he g ea es dispe sion dis ance.
Wi hin he EPT g oup, T ichop e a comp ised 68.5% o he cap u e in ins eam aps, showcasing a p e e ence
o ups eam-downs eam mo emen o e la e al mo emen . Rhyacophila and Dolophiloides we e he mos
abundan , dispe sing longi udinally. Ou indings con ibu e insigh s in o he dispe sion dynamics o aqua ic
insec s, highligh ing he p e alence o T ichop e a and he di e en ial mo emen pa e ns obse ed
longi udinally.
19
Species di e si y o caddis lies (Insec a: T ichop e a) om lowland o es
sp ings, Su a Thani P o ince, sou he n Thailand
Pongsak Laudee and Pimpajee Kaewwong
Facul y o Inno a i e Ag icul u e and Fishe y Es ablishmen P ojec , P ince o Songkla Uni e si y, Su a Thani
Campus, Muang Dis ic , Su a Thani P o ince, Thailand
Co esponding au ho : Pongsak Laudee ([email p o ec ed])
Cool sp ings and hei s eams o lowland opical ain o es s a e unique ecosys ems ed by g oundwa e
ou low. The sedimen o he cool sp ings is mainly sand and lea de i us. Fou cool sp ings in lowland opical
ain o es o Su a Thani P o ince, sou he n Thailand we e chosen. La ae and adul s o caddis lies we e
collec ed wi h aqua ic ne s o la ae, and sc een and pan ligh aps o adul s. The p elimina y esul showed
ha Paduniella sampa i, Ecnomus quo daio, T iaenodes hemis, and Oece is bi amosa, a e he mos abundan
species in hese cool sp ings.
Caddis ly species iden i ica ion ia wing mo phome ics
S ella Li, Cole e Ch is ensen, and Pa ina K. Mendez
Depa men o En i onmen al Science, Policy, and Managemen , Uni e si y o Cali o nia, Be keley, Be keley,
Cali o nia, USA
Co esponding au ho : pa ina.mendez@be keley.edu
Species iden i ica ion is equi ed o biological and conse a ion applica ions bu emains challenging in
en omology whe e specimens a e small and equi e expe skills o iden i ica ion. Geome ic mo phome ics
may be an unde explo ed me hod o species iden i ica ion bu has been used in he li e a u e alongside machine
lea ning o iden i y bo anical scans o lea es o species. Using bulk ligh ap samples om Cu y C eek in
No he n Cali o nia, we scanned moun ed wings o males and emales om he caddis ly amilies
Se icos oma idae and Hyd opsychidae, iden i ying 38 and 45 landma k loca ions, espec i ely. Using
Gene alized P oc us es Analysis (GPA) and P incipal Componen Analysis (PCA) we de e mined di e ences in
ena ion be ween species and sex. GPA iden i ied he cen al c oss eins in Se icos oma idae as ha ing he mos
a ia ion h oughou all specimens o bo h o e and hind wings, and PCA highligh ed sexual dimo phism,
pa icula ly in he cen al c oss eins, whe e males had mo e educed wing ena ion han emales. Fo
Hyd opsychidae, es s likewise e ealed a ia ion la gely in he cen al c oss eins; PCA sco es quan i ied a
leas 50% a ia ion be ween wing landma ks, enough o dis inguish species in o h ee dis inc clus e s o he
si e.
DNA ba coding and axonomic insigh s o sub amily Hyd opsychinae
(Hyd opsychidae: T ichop e a: Insec a) om India
Aquib Majeed1, Tab aq Ali1, Zahid Hussain1, Sajad H. Pa ey1, and Manp ee S. Pandhe 2
1–Insec Sys ema ics Resea ch Lab, Depa men o Zoology, School o Biosciences and Bio echnology, Baba
Ghulam Shah Badshah Uni e si y, Rajou i, India 2–High Al i ude Regional Cen e, Zoological Su ey o India,
Sap oon, Solan, Himachal P adesh, India
Co esponding au ho : Sajad H. Pa ey ([email p o ec ed])
The Hyd opsychinae sub amily, belonging o he Hyd opsychidae amily o T ichop e a, ep esen s a signi ican
componen o eshwa e mac oin e eb a e auna in India. Despi e i s ecological impo ance, he axonomic
iden i ica ion o Hyd opsychinae species in India has been la gely based on adi ional mo phological
cha ac e is ics, which can be challenging due o he high mo phological a iabili y wi hin he sub amily. The
applica ion o DNA ba coding p o ides a p omising molecula app oach o complemen adi ional axonomy
and enhance species iden i ica ion accu acy. Ou analysis e ealed dis inc ba code clus e s o di e en
20
Hyd opsychinae species, indica ing he e icacy o DNA ba coding in disc imina ing and iden i ying species
wi hin his sub amily in he Indian con ex . In his s udy, we conduc ed a comp ehensi e mo phological and
DNA ba coding analysis using he mi ochond ial cy och ome c oxidase subuni 1 (COI) gene o in es iga e he
axonomic ela ionships and biodi e si y o Hyd opsychinae species collec ed om a ious eshwa e habi a s
ac oss India om 2019-2023. We ha e gene a ed ba codes o 49 specimens o Hyd opsychinae. Addi ionally,
he axonomic insigh s gained om he DNA ba coding da a acili a ed a be e unde s anding o he
phylogene ic ela ionships and e olu iona y his o y o Hyd opsychinae species in India. Comple e axonomic
desc ip ion, DNA ba code da a and phylogene ic ela ionship o he amily Hyd opsychidae in India shall be
p esen ed.
G ow h and de elopmen o unde g adua e T ichop e a esea che s
Pa ina K. Mendez
Depa men o En i onmen al Science, Policy, and Managemen , Uni e si y o Cali o nia, Be keley, Be keley,
Cali o nia, USA
Co esponding au ho : Pa ina Mendez (pa ina.mendez@be keley.edu)
Team Caddis is a g oup o unde g adua e esea che s a he Uni e si y o Cali o nia, Be keley who wo k
collabo a i ely on small-scale, i e a i e esea ch ques ions using caddis lies as hei p ima y model o ganism.
Team membe s include s uden s wi h a wide ange o expe ience and skills om no ice esea che s o senio
hesis s uden s. The esea ch and lea ning space cen e s on in e dependen cul u al no m amings hypo hesized
o signal inclusion and belonging o s uden s o his o ically unde ep esen ed backg ounds and inc ease
pe sis ence in STEM. O e he pas 10 yea s, ~70 unde g adua e membe s o Team Caddis ha e con ibu ed o
museum and ecological s udies including: de eloping me hods o imaging luid-based T ichop e a collec ions,
so ing and iden i ica ion o mon hly ligh ap samples om an in e mi en s eam in Cali o nia, species
dis ibu ion models o Cali o nia Caddis ly gene a, explo ing wing ena ion o species associa ions o adul
caddis lies using geome ic mo phome ics, and de eloping species desc ip ion and illus a ion pages o he
300+ species o Cali o nia caddis lies. Membe s o Team Caddis pa icipa e o ~2.5 semes e s, expe ience an
inc eased sense o belonging in esea ch spaces, lea n o collabo a e, and de elop esea ch skills.
“Sense o P esence”
(special pho og aphic p esen a ion)
Rogie Maaskan
Ro e dam, The Ne he lands; con ac @ ogie maaskan .com
“The iny c ea u es ha un he wo ld,” is how my mecologis Edwa d O. Wilson desc ibed insec s. They a e
na u e’s cleane s, ood o many o he species and a e essen ial o he pollina ion o plan s, including ou c ops.
Fo yea s, hei popula ions ha e been plumme ing d ama ically due o habi a loss and he use o pes icides. I
is i al ha we s ay connec ed wi h hem and ha is why hey dese e a s age o pu hei impo ance and beau y
in he limeligh . Rogie Maaskan ’s enchan ing images un eil a di e se a ay o insec s in ligh du ing wiligh
and nigh ime – in o es s and abo e ields, di ches, and ponds a ound Ro e dam, Ne he lands. By using s obe
ligh , his single exposu es p o ide a unique iew o he ligh o caddis lies, mo hs, lacewings, d agon lies,
gna s, and a ious o he species ha illus a e he ich biodi e si y. Fo Sense o P esence, Maaskan
collabo a ed wi h scien is s and insec expe s. His wo k is in line wi h he cu en e a o enewed in e es in
na u e and a widesp ead awa eness o he need o p o ec i .
21
Landuse and ele a ion-d i en changes in caddis ly assemblages in
Neo opical s eams in Ecuado
And és Mo abowen1, Blanca Rios-Touma1, Isabella M. E igo1,2,3, and Paul B. F andsen2
1–G upo de In es igación en Biodi e sidad, Medio Ambien e y Salud (BIOMAS), Facul ad de Ingenie ías y
Ciencias Aplicadas, Uni e sidad de Las Amé icas, Qui o, Ecuado 2–Depa men o Plan and Wildli e
Sciences, B igham Young Uni e si y, P o o, U ah, USA 3–Depa men o Na u al Resou ces, Co nell
Uni e si y, I haca, New Yo k, USA
Co esponding au ho : And és Mo abowen Man illa ([email p o ec ed])
F eshwa e ecosys ems in Ecuado ace ubiqui ous h ea s, and conse a ion s a egies should ocus on he
connec edness o di e en al i udinal ecosys ems. To assess he uniqueness o eshwa e mac oin e eb a e
communi ies along an al i udinal g adien , we sampled caddis ly la ae a wo di e en al i udes (1800 and 550
m a.s.l.). We examined he T ichop e a assemblages, abundance, and dis ibu ion ac oss 18 s eams unde going
a ious le els o land-use modi ica ion a wo di e en al i udes. The wo al i udinal g adien s, Nanegali o (1800
m a.s.l.) and Mashpi (500 m a.s.l.) a e in he Andean Chocó eco egion, a biodi e si y ho spo . We ound
signi ican di e ences associa ed wi h changing en i onmen al condi ions a he wo al i udinal sampling si es
d i en by speci ic gene a. Ou indings highligh he uniqueness o he eshwa e T ichop e a communi ies
along he Andean moun ain ange. Also, assemblages a he wo di e en ele a ions esponded o di e en
en i onmen al s esso s. In he uppe basins ammonia was he main s esso in luencing di e ences in he
T ichop e a communi y, and in he lowe i e s, low and oxygen sa u a ion we e esponsible o di e ences
among si es. Thus, we u ge he implemen a ion o managemen p ac ices ha suppo consis en conse a ion
e o s ac oss he en i e al i udinal g adien . The connec i i y o hese habi a s is c ucial o p ese ing gene ic
di e si y, he eby inc easing ecological esilience and enhancing ecosys em se ices.
La al axonomy o he ne -spinning caddis ly Ce no ina uncona Ross, 1947
(T ichop e a: Polycen opodidae)
Alexande O inge 1, T uc Bui1, And ew Rasmussen2
1–Depa men o Li e Science, Dal on S a e College, Dal on, Geo gia, USA 2–Cen e o Wa e Resou ces,
Flo ida A&M Uni e si y, Tallahassee, Flo ida, USA
Co esponding au ho : Alexande Benjamin O inge ([email p o ec ed])
The polycen opodid genus Ce no ina consis s o diminu i e caddis lies, wi h he la ges indi iduals eaching
maximum leng hs o 8-9 mm. O he se en Nea c ic species, only he la a o C. spica a Ross, 1938 has been
desc ibed and illus a ed o da e. Ce no ina spica a is one o jus h ee species o he genus eco ded om he
sou heas e n Uni ed S a es, he o he s being Ce no ina calcea Ross, 1938 and Ce no ina uncona Ross, 1947.
Using ecologically and geog aphically associa ed la al specimens, we desc ibe and diagnose he la a o C.
uncona, no ing sub le bu consis en di e ences om C. spica a.
Explo ing he T ichop e a in he Taxonomic Ca alog o he B azilian Fauna:
ecen p og ess and pe spec i es
Fabio B. Quin ei o1, Adol o R. Calo 2, Gleison R. Desidé io3, Leand o L. Dumas4, Ana
Lucia Hen iques-Oli ei a5, Ra ael Pe ei a6, Ana Ma ia Pes7, Allan P.M. San os8, and Albane
Vila ino9
1–Labo a ó io de Es udos Compa a i os em Inse os, Uni e sidade Fede al do Pa á (UFPA), Ins i u o de
Es udos Cos ei os (IECOS), B agança, Pa á, B azil 2–Labo a ó io de En omologia Aquá ica, Ins i u o de
Biologia, Uni e sidade Fede al da Bahia (UFBA), Sal ado , Bahia, B azil 3–P og ama de Apoio à Fixação de
Jo ens Dou o es no B asil (PROFIX-JD), Labo a ó io de Ci o axonomia e Inse os Aquá icos (LACIA), Ins i u o
22
Nacional de Pesquisas da Amazônia (INPA), Manaus, Amazonas, B azil 4–Labo a ó io de Inse os Aquá icos
(LABIA), Depa amen o de Biologia Animal, Uni e sidade Fede al Ru al do Rio de Janei o (UFRRJ),
Se opédica, Rio de Janei o, B azil 5–Labo a ó io de En omologia, Ins i u o de Biologia, Uni e sidade Fede al
do Rio de Janei o (UFRJ), Cidade Uni e si á ia, Rio de Janei o, B azil 6–Labo a ó io de En omologia
Aquá ica, Ins i u o de Biologia, Uni e sidade Fede al da Bahia (UFBA), Sal ado , Bahia, B azil 7–P og ama
de Apoio à Pós-Dou o es (PRODOC), Labo a ó io de Ci o axonomia e Inse os Aquá icos (LACIA), Ins i u o
Nacional de Pesquisas da Amazônia (INPA), Manaus, Amazonas, B azil 8–Labo a ó io de Sis emá ica de
Inse os, Uni e sidade Fede al do Es ado do Rio de Janei o (UNIRIO), Ins i u o de Biociências, Rio de Janei o,
Rio de Janei o, B azil;, 9–Depa amen o de Zoologia, Ins i u o de Biociências, Uni e sidade de São Paulo
(USP), São Paulo, São Paulo, B azil
Co esponding au ho : Fábio B. Quin ei o ([email p o ec ed])
The Taxonomic Ca alog o he B azilian Fauna (CTFB) has been ac i e since Decembe 2015, p o iding
comp ehensi e in o ma ion on B azil’s animal auna. In he 2020 checklis , T ichop e a comp ised 728 species,
making up 4.9% o he global caddis ly di e si y, wi h Odona a anking highe a 867 species. B azil boas s
app oxima ely 934 T ichop e a species eco ds (5.4% o he global caddis ly di e si y), wi h 635 being endemic,
su passing Odona a’s coun o 910 species. This makes T ichop e a he mos di e se aqua ic insec o de in
B azil. The A lan ic Fo es emains he mos -species ich biome, wi h 521 species (377 o hem endemic),
ollowed by he Amazon, wi h 306 species (207 o hem endemic). Hyd op ilidae emains he mos di e se
amily, wi h 205 species, o which 23% we e desc ibed in he las ou yea s. The ise in species coun migh be
a ibu ed o he inc easing caddis ly axonomy esea ch g oups (cu en ly a leas six majo g oups) ac oss h ee
B azilian s a es, in ol ing he second and hi d gene a ions o B azilian caddis ly axonomis s. Wi h an a e age
desc ip ion a e o 28.8 species/yea om 2015–2024, he es ima ed B azilian caddis ly di e si y o 1,710–1,828
species could be unco e ed wi hin 59.4–63.5 yea s. The nex phase in ol es inco po a ing dis ibu ion da a o
c ea e online dis ibu ion maps.
Mic ocaddis lies (T ichop e a: Hyd op ilidae) o he Baja Cali o nia peninsula,
Mexico, and hei biogeog aphic a ini ies.
Mau icio Ramí ez-Ca mona1, A ilano Con e as-Ramos2, and Robin E. Thomson1
1–Depa men o En omology, Uni e si y o Minneso a, S . Paul, Minneso a, USA 2–Depa amen o de Zoología,
Ins i u o de Biología, Uni e sidad Nacional Au ónoma de México, México Ci y, Mexico
Co esponding au ho : Mau icio Ramí ez-Ca mona ([email p o ec ed])
Dese habi a s domina e he Baja Cali o nia peninsula, ye hey con ain emnan aqua ic sys ems (oases)
ep esen ing isola ed islands o biodi e si y. P e ious aunal su eys ha e epo ed he dis ibu ion o 11
caddis ly amilies in he egion, bu he amily Hyd op ilidae has no been documen ed (Dennig, 1964). A single
mic ocaddis ly species has been epo ed om he sou he n Baja peninsula (Razo-González, 2023), ye he
o e all caddis ly auna o his a ea emains unde s udied. This s udy p esen s he i s mic ocaddis ly
(Hyd op ilidae) di e si y assessmen in he Baja Cali o nia peninsula. Fieldwo k conduc ed o e wo yea s
(2021-2022) esul ed in he iden i ica ion o 5 gene a: Hyd op ila, Leuco ichia, Neo ichia, Och o ichia, and
Oxye hi a. In o al, 15 hyd op ilid species co esponding o hese gene a a e epo ed, signi ican ly expanding
he known di e si y o his g oup. Also, an a ea cladog am analysis was pe o med o e alua e he
biogeog aphic a ini ies o he Baja Cali o nia peninsula. These indings con ibu e o unde s anding he
composi ion and dis ibu ion o Hyd op ilidae wi hin his isola ed dese landscape, ep esen ing an unde s udied
componen o he egional aqua ic insec auna. The esul s p o ide a c ucial baseline o u u e biodi e si y
assessmen s and biogeog aphic s udies in he Baja Cali o nia peninsula.
23
Mic ocaddis lies, mo phology, and mode n molecula me hods:
collec ions-based esea ch o es ablish he mic ocaddis ly phylogeny
Robin Thomson
Depa men o En omology, Uni e si y o Minneso a, S . Paul, Minneso a, USA
Co esponding au ho : Robin Thomson ([email p o ec ed])
The amily Hyd op ilidae is an ex emely di e se amily wi hin T ichop e a ha displays a wide a ay o
ecological, mo phological, and habi a di e si y. In e ms o species di e si y, Hyd op ilidae is he la ges amily
in he o de , con aining o e 2,600 known species ound in all aunal egions o he wo ld. Howe e , li le is
known abou mic ocaddis ly e olu iona y his o y ha is suppo ed by cu en phylogene ic me hods. A s able
phylogene ic amewo k based on s a is ically suppo ed me hods is needed o consis en ly de ine axa and
p o ide con ex o how hey ela e o each o he and a e a anged wi hin he amily o e all. A o al-e idence
(molecula + mo phology) phylogeny o he amily Hyd op ilidae will be cons uc ed, including he i s
mo phological assessmen o homology ac oss he amily and he i s molecula da ase o co e he en i e
amily using a ge ed en ichmen echniques, o e alua e he monophyly o he adi ionally ecognized
sub amilies wi hin Hyd op ilidae and o in e he e olu iona y ela ionships o he included axa. In addi ion o
he abili y o place and desc ibe new biodi e si y, a s able classi ica ion will make i possible o pu sue
nume ous esea ch di ec ions, such as cha ac e e olu ion wi hin Hyd op ilidae, e olu iona y ends ac oss
T ichop e a, and he oppo uni y o in eg a e sequence da a wi h collec ions-based da a.
Suble hal e ec s o wo hea y me als on Nec opsyche sp. (T ichop e a:
Lep oce idae) in Andean i e s
Ch is ian Villama ín1, Agnes Lohs2, Mishell Donoso1, Blanca Ríos-Touma1, Pablo
Cas illejo1, Melanie Loachamin1, Mil on Sosa1
1–G upo de In es igación Biodi e sidad, Medio Ambien e y Salud (BIOMAS), Facul ad de Ingenie ías y
Ciencias Aplicadas, Ingenie ía Ambien al, Uni e sidad de Las Amé icas, Qui o, Ecuado 2–Toxicology Mas e
P og am, Duisbu g Essen Uni e si y, Ge many
Co esponding au ho : Ch is ian Villama ín ([email p o ec ed])
In Ecuado , mining ac i i ies ha e expanded due o inc eased mining concessions and illegal mining and he
suble hal e ec s o hea y me als on local aqua ic bio a is li le known. Ou s udy conduc ed mic ocosm
expe imen s, e alua ing he suble hal e ec s on Nec opsyche sp. (Lep oce idae) h ough beha io al
measu emen s and bioma ke s as an e ec o di e en concen a ions o Me cu y (Hg) and A senic (As). The
expe imen e alua ed concen a ions o di e en egula ion alues o Hg and As and assessed he e ec on
indi iduals o se en days unde con olled condi ions. Labo a o y expe imen s e alua ed he mo ali y and
mobili y o he indi iduals and measu ed bioma ke s such as Ca alase ac i i y, Glu a hione S-T ans e ase
ac i i y, and Fe ic Reducing An ioxidan Powe . Mo ali y did no show signi ican di e ences. Howe e ,
mobili y showed signi ican di e ences a he highes concen a ions. Ch onic exposu e o Hg inc eased CAT,
GST, and FRAP, bu only GST exhibi ed signi ican di e ences. Fo i s pa , exposu e o As caused a dec ease
in all measu ed bioma ke s, and CAT and FRAP showed signi ican di e ences a he highes concen a ions.
The esul s sugges ha mo e de ailed s udies should be ca ied ou using bioma ke s o de ine he ac ual e ec s
on eshwa e biodi e si y caused by mining and de ine MPLs ha do no nega i ely a ec popula ions in he
long e m.
30
Spa ial dis ibu ion o T ichop e a la ae in he Cajas Massi lakes
Diego Vimos1, Pablo V. Mosque a2,3, Hen ie a Hampel1, and Raúl F. Vazquez4
1–Labo a o io de Ecología Acuá ica, Facul ad de Ciencias Químicas, Uni e sidad de Cuenca, Cuenca,
Ecuado 2–Depa amen de Biologia E olu i a, Ecologia i Ciències Ambien als, Uni e si a de Ba celona,
Ba celona, Spain 3–Subge encia de Ges ión Ambien al de la Emp esa Pública Municipal de
Telecomunicaciones, Agua Po able, Alcan a illado y Saneamien o (ETAPA EP), Cuenca, Ecuado
4–Depa amen o de Ingenie ía Ci il, Facul ad de Ingenie ía, Uni e sidad de Cuenca, Cuenca, Ecuado
Co esponding au ho : Diego Vimos ([email p o ec ed])
A signi ican amoun o s udies on he di e si y and ecology o T ichop e a communi ies has been pe o med in
s eams and i e s; ne e heless, e y li le is known on T ichop e a communi ies in opical high moun ain
len ic wa e bodies. The e o e, his esea ch aimed a assessing he main a iables ha es ic he spa ial
dis ibu ion o T ichop e a communi ies p esen in he li o al a eas o lakes in he Cajas Massi , sou he n
Ecuado . Twen y- ou en i onmen al a iables (hyd o-mo phological, wa e quali y and mic ohabi a ) we e
moni o ed and mac oin e eb a e samples we e collec ed using a hand ne in 202 s udy lakes. The o de
T ichop e a was p esen in 65.5% o he lakes and ep esen ed 1.6% o he o al abundance o he ben hic
communi y. Oxye hi a was he mos ep esen a i e genus, ollowed by Me ichia and Anomalocosmoecus. The
applica ion o he Pa ial Canonical Co espondence Analysis and he Gene alized Addi i e Model e ealed ha
al i ude was he mos in luen ial hyd o-mo phological a iable in he dis ibu ion o he Oxye hi a,
Anomalocosmoecus, Me ichia and Nec opsyche. In luen ial wa e quali y a iables we e ammonium
(Oxye hi a, Helicopsyche, Me ichia and Anomalocosmoecus) and dissol ed oxygen (Me ichia and
Anomalocosmoecus). Fu he mo e, mic ohabi a scale a iables did no ha e any in luence on he T ichop e a
communi ies. The e o e, gi en he ecological ole ha hese insec s play and hei sensi i i y o changes in hei
habi a , he dis ibu ion and di e si y pa e ns obse ed in his esea ch a e likely o con ibu e o a be e
ecological knowledge o hese e y impo an opical high moun ain wa e bodies, which could inally
con ibu e o a be e conse a ion o hese impo an aqua ic ecosys ems o he Ecuado ian Andes.
Es ima e o he li e his o y and he ne spinning habi on Mac os emum
adia um (McLachlan 1872) in he cen al Honshu Island o Japan
Shozo Wa anabe
6-5, 4chome, Ka a odai, Ki aku, Kobe, Hyogo P e ec u e, Japan
Co esponding au ho : Shozo Wa anabe ([email p o ec ed])
The li e his o y and he habi o he ne -spinning caddis ly, Mac os emum adia um (McLachlan 1872), was
s udied in a mids eam o he Kakogawa Ri e , cen al Honshu Island o Japan, 2019-2022. This popula ion
seems o be bi ol ine, o i may be i ol ine h ough i e la al ins a s wi h an adul pe iod om sp ing o
au umn. The densi y and abundance o his species a ied seasonally om 64 o 368 indi iduals/m2, om 0.65
o 18.4 g/m2, espec i ely, bo h o which we e minimal in summe . Howe e , hose we e no signi ican ly
di e en be ween he cen e and he i e 's sho e. The body in we weigh o he la ae inc eased p opo ionally
wi h he loga i hm o body size o he la ae: ww=4.34 hw 3.69 (he ein ww: we weigh , hw: head capsule
wid h). Those o he inal ins a la ae dec eased om sp ing o summe and subsequen ly inc eased om
au umn o win e . The la ae examined in he labo a o y cons uc ed hei e ea using silk wi h o wi hou sand
g ains and also cons uc ed cap u e ne s using silk unde s i ing condi ions.
31