Trigonopterus hitoloorum Riedel

Riedel, Alexander, Sagata, Katayo, Surbakti, Suriani, Rene Taenzler, & Michael Balke,, 2013, One hundred and one new species of Trigonopterus weevils from New Guinea, ZooKeys 280, pp. 1-150 : 33-34

36. Trigonopterus hitoloorum Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 36a). Length 2.64 mm. Color black; tarsi and antenna ferruginous. Body subovate; with weak constriction between pronotum and elytron; in profile evenly convex. Rostrum sparsely squamose with suberect scales; in basal half with median carina; in front of eyes with flat lateral extensions; subapically weakly scabrous; epistome smooth, posteriorly forming transverse, angulate ridge, with weak median denticle. Pronotum without subapical constriction, densely coarsely punctate; laterally above procoxa with fovea. Elytra with striae moderately incised on disk; intervals flat, with rows of small punctures; laterally subglabrous; apex subangulate, with pair of sublateral knobs; extended ventrad, slightly beak-shaped. Femora edentate. Metafemur dorsally sparsely squamose, with weakly denticulate dorsoposterior edge; subapically with stridulatory patch. Abdominal ventrite 2 projecting dentiform over elytral edge in profile. Aedeagus (Fig. 36b) apically rounded, sparsely setose; with complex, symmetrical transfer apparatus; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.28-2.64 mm. Female rostrum with median carina and transverse ridge of epistome less distinct.

Material examined.

Holotype (SMNK): ARC1172 (EMBL # HE615800), PAPUA NEW GUINEA, Morobe Prov., Huon peninsula, Mindik, S06°27.311', E147°24.073', 1570 m, 10-X-2009. Paratypes (NAIC): Morobe Prov., Huon peninsula, Mindik: 1 ex, ARC1176 (EMBL # HE615804), S06°27.221', E147°24.185', 1670 m, 10-X-2009.

Distribution.

Morobe Prov. (Mindik). Elevation: 1570-1670 m.

Biology.

Sifted from leaf litter in montane forest.

Etymology.

This species is dedicated to the people of Papua New Guinea. The epithet is based on the family name Hitolo, found on page 221 of the Papua New Guinea Telephone Directory of 2010 and treated in genitive plural.

Notes.

Trigonopterus hitoloorum Riedel, sp. n. was coded as " Trigonopterus sp. 195" by Tänzler et al. (2012).