Plumolepilius hectori Barrios-Izás, 2020

Plumolepilius hectori Barrios-Izás , new species

( Figs. 49–58 View FIGURES 49–54 View FIGURES 55–58 , 166 View FIGURE 166 )

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Diagnosis: Male. Length ( 1.38–1.75 mm). Width ( 0.94–1.13 mm). Ovate, cuticle rufescent. Vestiture of sparse recumbent ochreous scales, mesanepisternum and mesepimeron bare. Head and base of rostrum with sparse scales, scales not reaching the antennal insertions; frons conspicuously sunken between eyes, basal half rugose, apical half finely punctate; scrobes lateroventral, reaching the eyes margin; antenna inserted in middle of rostrum, scape as longer as desmomeres 1 to 3 together, desmomere 1 slightly longer than desmomere 2, both longer than demomeres 3 to 7, funiculus and antennal club setose. Pronotum oval, transverse, annulated anteriorly, punctate, ocular lobes with vibrissae. Elytra striate-punctate, interstices elevated, polished, surface before elytral declivity sinuous, humeri rounded, striae 10 complete. Abdominal ventrites punctate, punctures with setae, abdominal ventrites 1 and 2 fused on disk, abdominal ventrite 2 broader than abdominal ventrites 3 and 4 together. Metanepisternal suture swollen. Femora armed with a small spine, coxae without plumose scales. Pedon subparallel; temones 1.9X longer than pedon; genital sclerite minute and triangular.

Female. Length ( 1.38–1.81 mm). Width ( 0.88–1.13 mm). As for the male except smaller in size, rostrum with setae instead of scales, rostrum less humped than in males.

Geographic Distribution. Costa Rica ( Alajuela, Heredia, Puntarenas and San José).

Derivation of the specific name. Patronym, named after Héctor E. Barrios Velazco, a weevil entomologist at University of Panama.

Material examined: 35♂♂, 23♀♀ ( ASUCOB, CMNC, BMNH, MNCR, USNM). Holotype ♂ ( MNCR): COS- TA RICA: Alajuela, E.B. San Ramon, R.B. San Ramon, 27km.N.& 8km.W. San Ramon, 10°13’30”N 84°35’30”W, 1050m, 15.VI.1997, R.Anderson, wet premontane forest litter 97-015 / Holotype ♂ Plumolepilius hectori Barrios- Izás sp. nov. Aedeagus extracted. Paratypes: same data as holotype except for 950m, 97-014 ( 3♂♂, CMNC). COS- TA RICA: Puntarenas, Monteverde, Estacion Biologica Monteverde, 10°18’53”N 84°47’49”W, 1650m, 10.VI.2001, R.Anderson, montane forest litter 2001-103 ( 2♂♂ 1♀, CMNC). Same data except for 1600m, 14.VI.2001, 2001- 113 ( 1♂, CMNC). Same data except for 1800m, cloud forest litter, 2001-102 ( 1♂ 1♀, CMNC). Same data except for 10°19’10”N 84°48’57”W, 1730m, 12.VI.2001, R. Anderson, cloud forest litter, 2001-107 ( 1♂, CMNC).Same data except for 10°19’10”N 84°48’57”W, 1800m, 13.VI.2001, R. Anderson, cloud forest litter, 2001-109, cloud forest litter ( 1♂, CMNC). COSTA RICA: Puntarenas, Monte Verde Biol. Sta, 1515m, 10°19.672’N 84°49.141’W, 10-17.VI.2001, S&J.Peck, ex. Cloud forest f.i.t., S&JP 2001-10 ( 2♂♂, CMNC). COSTA RICA: Heredia, 9km NE Vara Blanca, 1450- 1550m, 10°14’N 84°06’W, 15/WF/04/, 15 Apr 2005 -OET-ALAS transect ( 2♂♂ 1♀, CMNC). Same data except for 15/ WF/02/, 12 Mar 2005 ( 1♂ 2♀♀, CMNC, 1♂, USNM). Same data except for 15/WF/03/, 06 Mar 2005 ( 1♂ 1♀, CMNC, 1♂ 1♀, BMNH). Same data except for 1450-1550m, 15/WF/01, 12-15 Feb 2005 ( 1♂, CMNC). Same data except for 15/WF/01/, 19-22 Mar 2005 ( 2♀♀, CMNC). Same data except for 1500m, 14-20.II.2005, INBio-OET-ALAS transect ( 1♂ 1♀, CMNC, 1♂, ASUCOB). 09 Feb 2001, INBio-OET-ALAS transect, COSTA RICA: Heredia: 16km SSE La Virgen, 1050-1150m, 10°16’N 84°05’W / 9 de Febrero 2001, Transect, 11/B/BH/013 / Project ALAS INB0003212572 ( 1♂, CMNC). Same data except for 17 Marzo 2001 / 17 Marzo 2001, 11/WF/02 / Project ALAS INB0003212378 ( 1♂, CMNC). Same data except for 23 Febrero 2001 / 23 Febrero 2001, 11/WF/01 / INB0003213069 ( 1♂, CMNC). Same data except for 23 Febrero 2001 / 23 Febrero 2001, 11/WF/01 / INB0003213070 ( 1♂, CMNC). Same data except for 25 Marzo 2001 / 25 de Marzo 2001, 11/WF/03 / INB0003212579 ( 1♀, CMNC). COSTA RICA: Alajuela, E.B. San Ramon, R.B. San Ramon, 27km. N.& 8km. W. San Ramon, 10°13’30”N 84°35’30”W, 850-950m, 29.VI-6.VII.1999, R.Anderson, wet pre-montane forest RSA 1999-108 / n. genus near Lepilius , det. R.S. Anderson, 20 ( 1♂, CMNC). COSTA RICA: San Jose, km.117 Pan-Am Hwy, 19km.N.San Isidro 09°28’N 83°42’20”W, 1800m, 20.VI.1997, R.S. Anderson, cloud for. litter 97-021 ( 1♂ 6♀♀, CMNC, 1♀, ASUCOB, 1♀, BMNH, 1♀, MNCR). CORTA RICA: Pun- tarenas, Monte Verde, 1500-1580m, 9 May 1989, J. Ashe, R. Brooks, R. Leschen, ex., pitfall traps / Snow Entomol. Mus., Costa Rica exped. #088 ( 1♂, CMNC). Same data except for 1570m, 16 May 1989, ex., berlese ( 1♂, CMNC, 1♂, BMNH). COSTA RICA: Puntarenas, Monteverde, Estacion Biologica Monteverde, 10°19’10”N 84°47’49”W, 1650m, 13.VI.2001, R.Anderson, montane forest litter 2001-107 ( 1♂, CMNC, 1♂, MNCR). Same data except for 10°19’40”N 84°49’08”W, 1540m, 9.VI.2001, R.Anderson, montane forest litter 2001-101 ( 1♂, CMNC). Same data except for 10°18’53”N 84°47’49”W, 1650m, 13.VI.2001, 2001-111 ( 1♂, CMNC). COSTA RICA: Puntarenas. Mon- teverde, 1520m, 30.VI.1986. J.S. Ashe & R.M. Timm, sifted forest litter ( 1♂, CMNC). COSTA RICA: San Jose, km 117 Pan-Am Hwy, 19km.N.San Isidro 09°28’N 83°42’20”W, 1800m, 25.VI.1997, R.S. Anderson, cloud for. litter 97- 035 ( 1♀, CMNC). COSTA RICA: San Jose, km 117 Pan-Am Hwy, 19km.N.San Isidro 09°28’N 83°42’20”W, 1800m, 15.II.1998, R.S. Anderson, cloud for. litter ( 2♀♀, CMNC, 1♀, USNM).