Biodi e si y Da a Jou nal 13: e163127
doi: 10.3897/BDJ.13.e163127
Taxonomy & In en o ies
Me apocy us (Dolichocephalocy us) aliwagwag
sp. no ., a new ligh less wee il (Cu culionidae,
En iminae, Pachy hynchini) om he Aliwagwag
P o ec ed Landscape, Mindanao Island,
Philippines
E hain Loidge P. Pajo a , Ma k John T. Pepi o , Rylle G. Añube , G aden G. Ob ial , Da en
Jayson D. Agbas , Jhonnel P. Villegas , Mil on No man D. Medina , Analyn A. Cab as
‡ Ins i u e o Biodi e si y and En i onmen , Coleop e a Resea ch Cen e , Uni e si y o Mindanao, Da ao Ci y, Philippines
§ Philippine Coleop e is s Socie y Inco po a ed, T oGenILab, Da ao O ien al S a e Uni e si y, Ci y o Ma i, Philippines
| College o Teache Educa ion, Uni e si y o Mindanao, Da ao Ci y, Philippines
¶ College o A s and Sciences Educa ion, En i onmen al Science Depa men , Uni e si y o Mindanao, Da ao Ci y,
Philippines
# Facul y o Ag icul u e and Li e Sciences, Biology P og am, Da ao O ien al S a e Uni e si y, Ci y o Ma i, Philippines
¤ Facul y o Compu ing, Da a Sciences, Enginee ing, and Technology, In o ma ion Technology P og am, Da ao O ien al
S a e Uni e si y, Ci y o Ma i, Philippines
« Facul y o Teache Educa ion/ Cen e o Fu u es Thinking and Regene a i e De elopmen , Da ao O ien al S a e
Uni e si y, Ci y o Ma i, Philippines
» Depa men o Animal Science and Food P ocessing, Facul y o T opical Ag iSciences, Czech Uni e si y o Li e Sciences
P ague, P aha - Suchdol, Czech Republic
˄ Facul y o Ag icul u e and Li e Sciences, T opical Genomics Labo a o y, Da ao O ien al S a e Uni e si y, Ci y o Ma i,
Philippines
˅ Facul y o Ag icul u e and Li e Sciences, Te es ial In e eb a e Resea ch Labo a o y, Uni e si y Resea ch Complex
(UResCom), Da ao O ien al S a e Uni e si y, Ci y o Ma i, Philippines
† Deceased au ho
Co esponding au ho : E hain Loidge P. Pajo a (e hainloidgepajo [email protected])
Academic edi o : Li Ren
Recei ed: 25 Jun 2025 | Accep ed: 03 No 2025 | Published: 18 No 2025
Ci a ion: Pajo a ELP, Pepi o MJT, Añube RG, Ob ial GG, Agbas DJD, Villegas JP, Medina MND, Cab as AA
(2025) Me apocy us (Dolichocephalocy us) aliwagwag sp. no ., a new ligh less wee il (Cu culionidae,
En iminae, Pachy hynchini) om he Aliwagwag P o ec ed Landscape, Mindanao Island, Philippines.
Biodi e si y Da a Jou nal 13: e163127. h ps://doi.o g/10.3897/BDJ.13.e163127
ZooBank: u n:lsid:zoobank.o g:pub:DF5CDAF6-CE45-4949-B37A-2C2BB0415C8C
‡,§ |,‡,§ ¶,§ #,§
¤,§ «,»,§ ˄,§ †,‡,˅,§
© Pajo a E e al. This is an open access a icle dis ibu ed unde he e ms o he C ea i e Commons A ibu ion License (CC BY
4.0), which pe mi s un es ic ed use, dis ibu ion, and ep oduc ion in any medium, p o ided he o iginal au ho and sou ce a e
c edi ed.
Abs ac
Backg ound
The genus Me apocy us Helle , 1912, is he mos speciose and axonomically complex
genus in he ibe Pachy hynchini. Cu en ly, he genus is comp ised o mo e han 250
species ha a e classi ied in o se en subgene a. One o he leas s udied subgene a
unde he genus Me apocy us is he subgenus Dolichocephalocy us Schul ze, 1925,
whose membe s a e gene ally known o hei long and slende os um (0.60 o 0.76
imes as long as wide). Ano he dis inc ea u e o his subgenus is he e iden sexual
dimo phism: males possess ely a wi h a ounded apex and a s eep apical decli i y, while
emales exhibi a sha ply poin ed, iangula p ojec ion a he ely al apex. Like mos
wee ils unde he genus Me apocy us, species unde he subgenus
Dolichocephalocy us ha e a na ow geog aphic ange due o hei ligh inabili y; his is
p obably he eason why all known species unde his subgenus a e endemic o he
Philippines.
New in o ma ion
A new species o ligh less wee il, belonging o he genus Me apocy us Helle , 1912,
subgenus Dolichocephalocy us Schul ze, 1925, om he Aliwagwag P o ec ed
Landscape (APL), Ca eel, Da ao O ien al, Mindanao, Philippines, is desc ibed and
illus a ed. Named a e he Aliwagwag Falls, he no el species, Me apocy us
(Dolichocephalocy us) aliwagwag Pajo a & Cab as, sp. no ., is he i s species o he
genus o be o mally desc ibed om Ca eel, Da ao O ien al. The desc ip ion o his no el
species adds o he ich di e si y o he genus Me apocy us in he coun y and highligh s
he ecological signi icance o he Eas e n Mindanao Biodi e si y Co ido (EMBC).
Keywo ds
Eas e n Mindanao Biodi e si y Co ido , Philippine endemic, Pachy hynchini, axonomy,
mimic y complex
In oduc ion
Me apocy us Helle , 1912 (Helle 1912) (Coleop e a, Cu culionidae) is a genus o jewel
wee il belonging o he sub amily En iminae Schönhe , 1823 (Schönhe 1823), o he
ibe Pachy hynchini Schönhe , 1826 (Schönhe 1826). The membe s o his genus,
simila o he o he membe s o he ibe Pachy hynchini, a e gene ally ligh less due o
he absence o hei memb anous and me a ho acic wings. They also inhabi a e y
na ow and speci ic geog aphic ange due o hei inabili y o ly (Cab as e al. 2021a).
The genus has i s cen e o dis ibu ion in he Philippines, esul ing in he majo i y o he
2Pajo a E e al
species being endemic o he coun y. No ably, a ew species o his genus ha e also
been disco e ed in Japan and O chid Island, Taiwan (Cab as e al. 2022), making i a
non-coun y-speci ic g oup. Addi ionally, he combined ana omical cha ac e is ics o he
os um, p ono um and body ca ego ise he genus in o se en subgene a, including
A apocy us Helle , 1912; Dolichocephalocy us Schul ze, 1925; Me apocy us Helle ,
1912, s. s .; O hocy us Helle , 1912; Scle ocy us Helle , 1912; Sphenomo phoidea
Helle , 1912; and T achycy us Helle , 1912 (Helle 1912, Schul ze 1925, Yap and Gapud
2007, Cab as e al. 2022b).
Amongs he se en subgene a o he genus Me apocy us, he subgenus
Dolichocephalocy us is one o he leas -s udied g oups, as new membe s ha e only
been disco e ed in he ea ly yea s o he 21 cen u y. Fo 86 yea s, his subgenus aced
axonomic inac i i y as no new species we e eco ded since he desc ip ion o M. (D.)
duyagi Schul ze, 1934 ( Schul ze 1934). In 2020, he subgenus egained axonomic
momen um wi h he disco e y o M. (D.) zamboanganus Cab as, Madjos & Medina, 2020,
ollowed by i e subsequen species: M. (D.) baulo um Cab as, Pajo a & Medina, 2022;
M.(D.) malindangensis Cab as, Pajo a & Medina, 2022; M. (D.) ku ongbusaw Pajo a,
Medina & Cab as, 2022; M. (D.) chlo oglosus Rukmane–Bā bale, 2024; and M. (D.)
ag yoglosus Rukmane–Bā bale, 2024 (Cab as e al. 2020, Cab as e al. 2022a, Pajo a e
al. 2022, Rukmane-Bā bale 2024). Rema kably, ou o hese ecen ly desc ibed species
ha e been disco e ed in he sou he n pa o he Philippines (Mindanao), highligh ing he
po en ial o mo e wee il species disco e ies, p ima ily in he unde explo ed a eas o he
Eas e n Mindanao Biodi e si y Co ido (EMBC).
Mindanao is one o he p incipal islands and he second-la ges island in he Philippines,
wi h a land a ea o 94,630 km . I is loca ed in he sou he n pa o he coun y and is
home o a wide a ay o unique lo al and aunal species occupying a ious habi a ypes
(Pepi o e al. 2020). The lo al and aunal geog aphic and dis ibu ional ange
ca ego ises he island in o i e sub- egions: No heas Mindanao (Ca aga Region),
Cen al Mindanao, Wes e n Mindanao (Zamboanga Peninsula), Sou he n Mindanao and
Eas e n Mindanao (Diesmos and B own 2011). Se e al a eas wi hin hese sub- egions
emain en omologically unde explo ed, e en amongs p o ec ed landscapes like he
Aliwagwag P o ec ed Landscape (APL), loca ed in he P o inces o Da ao O ien al and
Da ao de O o. The APL was decla ed a P o ec ed A ea by P oclama ion No. 139 in 2011
and is pa o he Philippines’ Na ional In eg a ed P o ec ed A ea Sys em (NIPAS) and he
Expanded Na ional In eg a ed P o ec ed A ea Sys em (E-NIPAS). This p o ec ed
landscape blanke s he uppe Ca eel Ri e Basin o M . Ag uuganon and M . Pasian — a
moun ain complex lis ed as a Key Biodi e si y A ea (KBA) wi hin he EMBC (Philippine
Eagle Founda ion e al. 2008). As a c i ical ecological sanc ua y, he APL is open o local
and o eign isi o s (Mayuga 2021), o e ing ac i i ies such as swimming and ekking,
which makes i highly suscep ible o dis u bance om an h opogenic ac i i ies.
In his pape , a new species o ligh less wee il, belonging o he genus Me apocy us
subgenus Dolichocephalocy us om Aliwagwag P o ec ed Landscape, Ca eel,
Mindanao, Philippines, is desc ibed and illus a ed. No es on i s habi a , in aspeci ic
s
2
Me apocy us (Dolichocephalocy us) aliwagwag sp. no ., a new fligh less ... 3
a ia ion o scale colou a ion and pa e n amongs indi iduals and a p oposed mimic y
complex associa ed wi h he new species a e also p esen ed.
Ma e ials and me hods
P io o he ield expedi ion, a Wildli e G a ui ous Pe mi (No. XI-2023-31) was secu ed
om he Depa men o En i onmen and Na u al Resou ces (DENR) Region XI, and
pe mission o conduc he s udy was g an ed by he Aliwagwag P o ec ed Landscape
P o ec ed A ea Managemen Boa d h ough Resolu ion No. 2, se ies o 2023. The
specimens, cu en ly deposi ed a he Uni e si y o Mindanao Coleop e a Resea ch
Cen e (UMCRC), we e collec ed oppo unis ically h ough bush bea ing and
handpicking. The collec ed specimens we e hen s o ed in ials illed wi h 95% e hanol.
The specimens we e subsequen ly sp ead, ai -d ied o a ew days and moun ed on
moun ing ca ds wi h labels. Ana omical cha ac e s we e obse ed unde a Nikon
SMZ745T s e eomic oscope. The ea men o he geni als ollowed he p o ocol o
Yoshi ake (2011). Images o he habi us and geni alia we e aken using a Canon EOS
R10 digi al came a, equipped wi h an MP-E 65-mm mac o lens. All images we e s acked
using a Helicon Remo e (Ve . 4.4.4 W), p ocessed using a licensed e sion o Helicon
Focus 6.7.0 and cleaned using Pho oshop CS6 Po able so wa e.
Label da a a e indica ed e ba im. Measu emen s in his pape a e abb e ia ed as
ollows:
• / = di e en lines;
• // = di e en labels;
•ā = a i hme ic mean;
•N = numbe o specimens in he ype se ies;
•LB = leng h o he body in do sal iew, om he an e io ma gin o he p ono um o
he apices o he ely a;
•LE = leng h o he ely a in do sal iew, om he le el o he an e io ma gins o he
apices o he ely a;
•LP = leng h o he p ono um, om pos e io o an e io ma gins along he mid-line;
•LR = leng h o he os um;
•WE = maximum wid h ac oss he ely a;
•WP = maximum wid h ac oss he p ono um;
•WR = maximum wid h ac oss he os um.
All measu emen s a e in millime es (mm).
Compa a i e ma e ials and specimens used in he s udy a e deposi ed in he ollowing
ins i u ions:
•DGC - Da en Agbas and G aden Ob ial Pe sonal Collec ion, Ci y o Ma i,
Philippines;
•SMTD - Senckenbe g Na u al His o y Collec ions, D esden, Ge many;
4Pajo a E e al
•UMCRC - Uni e si y o Mindanao Coleop e a Resea ch Cen e , Da ao Ci y,
Philippines.
Geospa ial Analysis and Mapping
In his s udy, we isualised and analysed dis ibu ional da a o he new species and
quan i ied he ege a ion co e classes o Aliwagwag P o ec ed Landscape o
complemen he in o ma ion abou he ecological s a us o he collec ion si e. Fo he
dis ibu ion map, he coo dina es we e ga he ed using he Ga min GPS Map 64x se ies,
wi h a posi ional accu acy o ≤ 5 me es. In addi ion, ege a ion co e was analysed using
he No malised Di e ence Vege a ion Index (NDVI), which u ilises sa elli e image y wi h
embedded spec al signa u e da a. NDVI is a aluable index o assessing ege a ion
co e and i s implica ions on he ecological s a us o he a ea. Typically, NDVI alues
ange om -1 o +1, while, in he local s udy a ea, hey a y be ween -0.15 and 0.53
(Khos a i e al. 2016). In his s udy, he sa elli e image y was ex ac ed om USGS.go ,
p o ided by he Landsa 8 sa elli e wi h a Le el 2 su ace e lec ance p oduc . The
downloaded da a had al eady been a mosphe ically co ec ed o p o ide su ace
e lec ance alues. The sa elli e image was cap u ed on 31 Ma ch 2020 and p ocessed
on 22 Augus 2020, using Collec ion 2, Tie 1 s anda ds. This ensu es ha he da a a e o
he highes quali y and mee geome ic and adiome ic accu acy s anda ds. To c ea e he
NDVI map, he ollowing equa ion was used: NDVI = (NIR – VIS) / (NIR + VIS), whe e VIS
and NIR ep esen he spec al e lec ance measu emen s in he isible ( ed) and nea -
in a ed egions, espec i ely (Khos a i e al. 2016).
Taxon ea men
Me apocy us (Dolichocephalocy us) aliwagwag Pajo a & Cab as, sp. no .
• ZooBank C270CA73-BEB2-4EA5-B713-31FFA473CE99
Ma e ials
Holo ype:
a. kingdom: Animalia; phylum: A h opoda; class: Insec a; o de : Coleop e a; amily:
Cu culionidae; genus: Me apocy us; subgenus: Dolichocephalocy us; speci icEpi he :
aliwagwag; con inen : Asia; island: Mindanao; coun y: Philippines; coun yCode: PH;
s a eP o ince: Da ao O ien al; municipali y: Ca eel; locali y: Aliwagwag P o ec ed
Landscape (APL); samplingP o ocol: Handpicking; yea : 2024; mon h: 7; day: 17-21;
indi idualCoun : 1; sex: Male; li eS age: Adul ; eco dedBy: RG Añube ; iden i iedBy: ELP
Pajo a; AA Cab as; ins i u ionCode: UMCRC; occu enceID: 8CF9E918-
DED4-5F19-8971-5587311C71E9
Pa a ypes:
a. kingdom: Animalia; phylum: A h opoda; class: Insec a; o de : Coleop e a; amily:
Cu culionidae; genus: Me apocy us; subgenus: Dolichocephalocy us; speci icEpi he :
aliwagwag; con inen : Asia; island: Mindanao; coun y: Philippines; coun yCode: PH;
s a eP o ince: Da ao O ien al; municipali y: Ca eel; locali y: Aliwagwag P o ec ed
Me apocy us (Dolichocephalocy us) aliwagwag sp. no ., a new fligh less ... 5
Landscape (APL); samplingP o ocol: Handpicking; yea : 2024; mon h: 7; day: 17-21;
indi idualCoun : 12; sex: 4 males, 8 emales; li eS age: Adul ; eco dedBy: RG Añube ;
iden i iedBy: ELP Pajo a; AA Cab as; ins i u ionCode: UMCRC; occu enceID:
F48700E9-A642-5AF2-8E24-D9449FE12469
b. kingdom: Animalia; phylum: A h opoda; class: Insec a; o de : Coleop e a; amily:
Cu culionidae; genus: Me apocy us; subgenus: Dolichocephalocy us; speci icEpi he :
aliwagwag; con inen : Asia; island: Mindanao; coun y: Philippines; s a eP o ince: Da ao
O ien al; municipali y: Ca eel; locali y: Aliwagwag P o ec ed Landscape (APL);
samplingP o ocol: Handpicking; yea : 2024; mon h: 7; day: 17-21; indi idualCoun : 4; sex:
2 males, 2 emales; li eS age: Adul ; eco dedBy: P Camposo; S Cadayona; iden i iedBy:
ELP Pajo a; AA Cab as; ins i u ionCode: UMCRC; occu enceID: 37593EDF-415B-5130-
AB85-8B5B2CDD1CD9
c. kingdom: Animalia; phylum: A h opoda; class: Insec a; o de : Coleop e a; amily:
Cu culionidae; genus: Me apocy us; subgenus: Dolichocephalocy us; speci icEpi he :
aliwagwag; con inen : Asia; island: Mindanao; coun y: Philippines; s a eP o ince: Da ao
O ien al; municipali y: Bos on; locali y: Ba angay Simulao; samplingP o ocol: Handpicking;
yea : 2024; mon h: 7; indi idualCoun : 7; sex: 4 males, 3 emales; li eS age: Adul ;
eco dedBy: GG Ob ial; iden i iedBy: GG Ob ial; DJD Agbas; AA Cab as; ELP Pajo a;
ins i u ionCode: DGC; occu enceID: 61CDF402-B66F-5178-B36D-2004CAE92A5A
d. kingdom: Animalia; phylum: A h opoda; class: Insec a; o de : Coleop e a; amily:
Cu culionidae; genus: Me apocy us; subgenus: Dolichocephalocy us; speci icEpi he :
aliwagwag; con inen : Asia; island: Mindanao; coun y: Philippines; s a eP o ince: Da ao
O ien al; municipali y: Ca eel; locali y: Aliwagwag P o ec ed Landscape (APL);
samplingP o ocol: Handpicking; yea : 2024; mon h: 7; day: 17-19; indi idualCoun : 22;
sex: 15 males, 7 emales; li eS age: Adul ; eco dedBy: DJD Agbas; iden i iedBy: GG
Ob ial; DJD Agbas; AA Cab as; ELP Pajo a; ins i u ionCode: DGC; occu enceID:
2827321B-3E84-5F6C-8C78-DAC3B04244B6
Desc ip ion
Male. Dimensions: LR 1.75–2.5 (Holo ype: 2.0; ā: 2.06). WR 1.0–1.2 (Holo ype: 1.0;
ā: 1.01). LP 2.0–3.0 (Holo ype: 3.0; ā: 2.79). WP 2.5–3.5 (Holo ype: 3.0; ā: 3.03). LE
5.0–6.0 (Holo ype: 6.0; ā: 5.5). WE 3.0–4.0 (Holo ype: 3.2; ā: 3.46). N = 25 o all
measu emen s.
Habi us as shown in Fig. 1 (A-F).
Colou a ion: In egumen s a e all black, excep p oximal hal o legs, eddish-b own.
Body su ace, os um, head, legs and en al side mode a ely lus ous.
Head: Do sal su ace inely ugose, excep pos e io hi d. Do sal a ea be ween eyes
spa sely pubescen wi h sho sub-app essed whi e se ae; densely bese wi h blue
and black ound and ellip ical scales. Median u ow dis inc , ex ending om apex
o
head o basal hi d, o ming a e ex wi h ans e se g oo e. Median u ow om
pos e io ma gin o eyes o basal hi d less dis inc . Eyes mode a ely con ex; a ea
a ound eyes coa sely ugose. La e o en al su ace spa sely bese wi h sho
adp essed whi e se ae and long adp essed pili o m scales.
6Pajo a E e al
Ros um: Twice as long as wide (LR/WR: 2.0/1.00); o e all su ace punc a e – wi h
punc u es ine a apical a ea and coa se a basal a ea; basal hal coa sely ugose.
Do sum su ace o apical hal spa sely bese wi h sho adp essed whi e se ae; basal
hal su ace densely bese wi h long sub-e ec ed whi e se ae. Apicad owa ds
mandible bese wi h se e al long e ec ed golden se ae. Median u ow p esen ; V-
shaped idge isible a basal hal – o ming a shallow dep ession. Me allic blue ound
and ellip ical scales p esen a basal hal – speci ically a shallow dep ession o med
in be ween V-shaped idge owa ds ans e se g oo e. Hump-like p o ube ance
o med by V-shaped idge a base o os um less p ominen in males han in emales.
La e o en al a ea be ween oblique u ow and an ennal sc obe bulging;
minu ely
pubescen wi h ine sub-adp essed whi e se ae; a ea below an ennal sc obe densely
pubescen wi h long sub-adp essed blue and whi e se ae.
An ennae: An ennal scape sligh ly longe han unicle; eaching beyond pos e io
ma gin o eyes; densely bese wi h ela i ely long adp essed whi e se ae. Funicle
spa sely pubescen o long sub-adp essed whi e se ae. Funicula an ennome e 1
sligh ly longe han 2; app oxima ely h ee imes as long as wide. Funicula
Figu e 1.
Habi us o M. (D.) aliwagwag Pajo a & Cab as sp. no .: A Male, do sal iew; B idem, la e al
iew; C idem, en al iew; D Female, do sal iew; E idem, la e al iew; F idem, en al iew.
Me apocy us (Dolichocephalocy us) aliwagwag sp. no ., a new fligh less ... 7
an ennome e 3 sligh ly longe han h ee succeeding an ennome es.
Funicula
an ennome es 4, 5 and 6 subglobula — nea ly as long as wide. Funicula
an ennome e 7 longe han he las ou an ennome es, na ow a base and wide a
apex, esembling an in e ed apezoid. Club sub-ellipsoidal; wides a middle;
app oxima ely h ee imes longe han wide; densely pubescen wi h sub-e ec sho
b own se ae.
P o ho ax subglobula ; as long as wide (LP: 3.0; WP: 3.0); coa sely g anula ed,
esembling a blackbe y; mid-line g oo e dis inc . Wides a middle, weakly con ex,
do sal con ou highes a pos e io hi d. P ono um ha ing scaly ma kings o blue and
black ound and ellip ical scales, a anged as ollows: a) ci cula pa ch loca ed a
middle nea do sola e al ma gin, a each side o disc; b) longi udinal band o
imb ica e scales con luen o he band o scales a he an e io ans e se g oo e.
Do sola e al a ea smoo h; bese wi h ine whi e se ae. Ven ola e al su ace spa sely
pubescen wi h sho , adp essed whi e se ae.
Ely a subo a e; longe han wide (LE: 6.0; WE: 3.2); sligh ly wide han p o ho ax
(WE/WP: 3.2/3.0). Ely al su ace i egula ly s ia e-punc a e, wi h some a eas
spa sely pubescen wi h e y sho whi e se ae. Do sum wides a middle; weakly
con ex, wi h ab up apical decli i y; do sal con ou highes a middle. Decli i y
densely bese wi h much longe sub-e ec ed whi e se ae. Each ely on wi h he
ollowing scaly ma king o app essed me allic blue, eal and black ound and ellip ical
scales: a) an in e up ed an e io s ipe o scales o ming a subci cula an e io spo
nea ely al su u e; and a dense s ip o scales diagonally placed a do sola e al
su ace; b) in e up ed median ans e se s ipe widened la e ally, o ming ano he
subci cula pa ch o scale nea ely al su u e; and a dense s ip o scales ex ending
h ough do sola e al su ace; c) hin, in e up ed ans e se band a he beginning o
he apical decli i y, composed o clus e ed ellip ical scales; d) a small ci cula pa ch o
scales a apex, adjacen o ely al su u e.
Legs wi h mode a ely cla a e emo a; basal hi d o emo a eddish-b own, minu ely
pubescen wi h sho adp essed whi e se ae. Tibiae black, densely bese wi h
mode a ely long gold and whi e se ae; se a e along inne edges o basal hi d
owa ds apex. Fo e- ibiae muc ona e a apex. Ta some es densely bese wi h long
sub-adp essed whi e se ae; en ola e al a ea bese wi h longe e ec b own and
golden se ae. Coxae bese wi h long sub-adp essed whi e se ae. Pubescence in
mesocoxae and me acoxae much dense han in he p ocoxae. Meso en i e and
me a en i e densely bese wi h long e ec ed whi e se ae; Meso en i e p ominen ly
p o uding a middle. Abdominal en i e 1 weakly dep essed owa ds me a en i e;
densely co e ed wi h long sub-adp essed and e ec ine whi e se ae. Abdominal
en i e 3–5 spa sely co e ed wi h sub-adp essed ine whi e se ae; abdominal
en i e 5 mode a ely ugo-punc a e.
Male geni alia and s e ni e IX a e shown in Fig. 2A–C.
8Pajo a E e al
Female. Dimensions: LR 1.9–2.0 (ā: 1.98). WR 1.0–1.2 (ā: 1.06). LP 2.0–3.0 (ā: 2.4).
WP 3.0–4.0 (ā: 3.25). LE 6.0–7.5 (ā: 6.89). WE 3.5–5.0 (ā: 7.8). N = 20 o all
measu emen s.
Females (Figs. 1D–F) di e om males, based on he ollowing cha ac e is ics:
Ros um wi h no iceably mo e dis inc V-shaped idge esul ing in a much deepe
medial dep ession; hump-like p o ube ance a base o he os um signi ican ly mo e
p ominen . Rela i ely wide P o ho ax, wi h p esence o glab ous discal a ea ee
o
g anula ions a middle o p ono um. Ely a clea ly wide and longe ; wi h a dis inc
su u al hump-like p o ube ance bese wi h e ec se ae a beginning o apical decli i y
simila o M. (D.) ku ongbusaw Pajo a, Medina & Cab as, 2022; howe e , unlike he
la e , he p ojec ed inwa d cu e is no as conca e. Fu he mo e, he apex o ely a
bea s a iangula p ojec ion, a common sexual dimo phism cha ac e is ic wi hin he
subgenus. Las ly, he second se ies o ype specimens collec ed om Ba angay
Simulao, Bos on comp ises se e al emale indi iduals bea ing g een and yellow
scales, a he han he p edominan ly blue scales obse ed in he holo ype and
pa a ypes om he APL, exhibi ing in aspeci ic a ia ion in scale colou a ion wi hin
he species.
Diagnosis
Me apocy us (Dolichocephalocy us) aliwagwag Pajo a & Cab as sp. no . belongs o
he subgenus Dolichocephalocy us in ha ing a long and slende os um, p esence
o a V-shaped idge on he basal hal o he os um and he sha p iangula
p ojec ion a he ely al apex in emales, as p esc ibed by Schul ze (1923), Yap and
Gapud (2007) and Cab as e al. (2022). The new species bea s a close esemblance
o Me apocy us (Dolichocephalocy us) baulo um Cab as, Pajo a & Medina, 2022,
Figu e 2.
Male geni alia o M. (D.) aliwagwag Pajo a & Cab as sp. no .: A Aedeagus in do sal iew; B
idem in la e al iew; C s e ni e IX in do sal iew.
Me apocy us (Dolichocephalocy us) aliwagwag sp. no ., a new fligh less ... 9
Acknowledgemen s
This p ojec is pa ly unded by he USAID INSPIRE S uden Resea ch G an (INSPIRE-
SRG-FY3-009) awa ded o JP Villegas. We wish o acknowledge he Depa men o
En i onmen and Na u al Resou ces Regional O ice XI (DENR XI) o issuing Wildli e
G a ui ous Pe mi No. XI-2023-31 and he Aliwagwag P o ec ed Landscape P o ec ed
A ea Managemen Boa d o he pe mi o conduc a s udy h ough Resolu ion No. 2
se ies 2023. Addi ionally, we hank he Communi y En i onmen and Na u al Resou ces
O ice (CENRO) in Baganga o assis ing he esea ch eam wi h p ojec implemen a ion.
We ecognise he suppo and assis ance o Amy G. Ponce, Ja anilla G. Teno io, Ruben
T. Teneza J ., Roland O. Aguimlod, Ch is ian Lloyd A. Ja encio, Nheñalyn B. Bau is a,
Lessa Vi o and all he pa k ange s o APL. The lead au ho also wishes o ex end his
since e g a i ude o he Uni e si y o Mindanao and o D . Ma ia Linda B. A quiza, Vice
P esiden o Resea ch and D . Cha lyn T. Go gonio, Di ec o o he Ins i u e o
Biodi e si y and En i onmen (IBE) a he Uni e si y’s Resea ch and Inno a ion Cen e
(UM-RIC), o hei unwa e ing suppo o he Coleop e a Resea ch Cen e ’s esea ch
endea ou s. Las ly, he publica ion o his pape is in honou o he memo y o he senio
au ho , AA Cab as, whose scien i ic con ibu ions signi ican ly p opelled he
ad ancemen o Coleop e a axonomy and sys ema ics in he coun y.
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18 Pajo a E e al
