A taxonomic monograph of the leaf-litter inhabiting weevil genus Plumolepilius new genus (Coleoptera: Curculionidae: Molytinae: Conotrachelini) from Mexico, Guatemala, and El Salvador Barrios-Izás, Manuel A. Anderson, Robert S. Morrone, Juan J. Zootaxa 2016 4168 1 61 91 Barrios-Izas & Anderson Barrios-Izas & Anderson [151,789,1397,1423] Insecta Curculionidae Plumolepilius Animalia Coleoptera 8 69 Arthropoda species branstetteri sp. nov.   Diagnosis. Male.Length (1.65–2.00 mm). Width (1.00– 1.45 mm). Subovate, nigropiceous, infused with dark orange at legs and apex of rostrum, coarsely punctate. Vestiture of recurved, clavate, variegated yellow to dark brown scales; adpressed at mesepisternum. Rostrum stout, base slightly humped, finely punctate. Antenna inserted at the middle, setulose, except for scape, scape slightly larger than desmomeres 1 and 2 together, both desmomeres elongate, desmomeres 3 to 7 moniliform. Pronotum narrower than elytra, constricted in front, three vittae of ochreous scales, the middle vittae incomplete. Elytra punctate-striate, parallel and abruptly confluent at the elytral declivity, flanks acuteangulate with dorsum, two large rounded tubercles on interstice 3 at base of elytral declivity, various callous tubercles, humeri angle sharp. Abdominal ventrite 5 broad, flat, bearing two tufts of setae at apex (not always evident), strongly punctate at anterior half, posterior half finely punctate. Femora with scattered scales, small tooth at inner margin, tibiae slender, shorter than femora, apical transverse comb of setae, uncinate, premucro absent. Pedon subparallel, apodemes at least 3Xlonger than pedon.   Female.Length ( 1.95–2.10 mm). Width ( 1.10–1.35 mm). Elytra tuberculate, humeri not produced but acuteangulate.  Geographic distribution.Guatemala (Huehuetenango, Quetzaltenango, Quiche, and San Marcos) and Mexico (Chiapas). Fig. 99.   FIGURES 9–15.  Plumolepilius branstetteri. 9, Male dorsal habitus. 10, Male lateral habitus. 11, Aedeagus lateral view. 12, Aedeagus dorsal view. 13, Male abdominal ventrites 1–5. 14, Female dorsal view. 15, Female lateral view.  Derivation of the specific name.Patronym, named after Michael G. Branstetter, a myrmecologist at the University of Utah.   Material examined:12ƋƋ, 24♀♀ (ASUHIC, BMNH, CMNC, CWOB, USAC, USNM).  HolotypeƋ ( CMNC): GUATEMALA:  Quetzaltenango. Las Nubes, 14.80143°N 91.67197°W,  2190m,  12.IX.2008, oak forest ex sifted leaf litter, R. S. Anderson  RSA2008-116/ WWD0023227 / HolotypeƋ  Plumolepilius branstetteriBarrios-Izás & Anderson sp. nov. Aedeagusextracted.  Paratypes: same data as holotype / WWD0023187 (1Ƌ CWOB). WWD0023188 (1Ƌ USNM). WWD0023192 (1♀ CWOB). WWD0023193 (1♀ CMNC). WWD0023195 (1♀ USNM). WWD0023199 (1Ƌ ASUHIC). WWD0023200 (1♀ ASUHIC). WWD0023201 (1♀ ASUHIC). WWD0023202 (1♀ USAC). WWD0023204 (1♀ CMNC). WWD0023206 (1♀ CMNC). WWD0023211 (1♀ CMNC). WWD0023217 (1Ƌ USAC). WWD0023224 (1♀ CMNC). WWD0023225 (1Ƌ BMNH). WWD0023226 (1♀ CMNC). WWD0023228 (1♀ CMNC). WWD0023229 (1♀ CMNC). WWD0023230 (1♀ CMNC). WWD0023231 (1♀ CMNC). WWD0023235 (1♀ CMNC). WWD0023240 ( 1♀ CMNC). GUATEMALA:  Quiche, Joya Larga, 15.41997°N 90.83630°W,  2025m,  15.IX.2008, oak/cloud forest, ex sifted leaf litter, R. S. Anderson, RSA2008-124 / WWD0028871 (1♀ CMNC). WWD0028875 (1♀ CMNC). WWD0028880 (1♀ CMNC). WWD0028942 (1Ƌ CMNC). WWD0028948 (1Ƌ CMNC). GUATEMALA:  Huehuetenango. Max, oak/cloud forest, 15.50673°N 91.644473°W,  2750m,  14.IX.2008, ex sifted leaf litter, R.S. Anderson RSA2008- 119 / WWD0023523 (1Ƌ CMNC). GUATEMALA:  San Marcos. La Fraternidad,  1920m, 14.93604°N 91.86778°W,  11 Sep 2008. M.G. Branstetter, disturbed cloud forest, MGB-938 (1Ƌ CMNC). MEXICO:  Chiapas, Volcan Tacana, lower slopes, ca. 4km. N.Union Juarez,  2000m,  19.IX.1992, R.S.Anderson, 92-110, cloud forest litter ( 2♀♀ CMNC). Same data except for 92-111, cloud forest litter (2ƋƋ, 2♀♀ CMNC). 1308202554 CMNC Guatemala GUATEMALA 9 70 1 holotype 1308202537 2008-09-12 RSA R. S. Anderson & Aedeagus Guatemala 2190 14.80143 Las Nubes 1 -91.67197 9 70 RSA2008-116 1 Quetzaltenango holotype 1308202551 2008-09-12 CWOB R. S. Anderson & Aedeagus Guatemala 2190 14.80143 Las Nubes 1 -91.67197 9 70 1 Quetzaltenango paratype 1308202543 [823,1338,260,284] CMNC Guatemala GUATEMALA 10 71 1 1 1308202560 2008-09-15 R. S. Anderson South Africa 2025 15.41997 Joya Larga 1 -90.8363 10 71 1 Quiche 1308202552 [506,1041,368,392] CMNC Guatemala GUATEMALA 10 71 1 1308202540 2008-09-14 R. S. Anderson South Africa 2750 15.50673 Max 1 -91.64447 10 71 1 Huehuetenango 1308202553 CMNC Guatemala GUATEMALA 10 71 1 1308202546 2008-09-11 CMNC M. G. Branstetter Guatemala 1920 14.93604 San Marcos 1 -91.86778 10 71 1 San Marcos 1308202542 1992-09-19 CMNC N. Union Juarez & R. S. Anderson Guatemala 2000 Volcan Tacana 10 71 2 2 Chiapas