Trigonopterus cuneipennis 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 : 20

20. Trigonopterus cuneipennis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 20a). Length 3.00 mm. Color black. Body slender, subrhomboid; without constriction between pronotum and elytron; in profile evenly convex. Rostrum in apical third smooth; in basal 2/3 with broad median costa and pair of sublateral ridges; furrows containing sparse row of setae. Eyes with dorsal margin carinate. Head bordering eye with elongate impression. Pronotum subglabrous, sparsely punctate with minute punctures. Elytra subglabrous, punctation confused with minute punctures; striae hardly visible, impressed as very fine lines; lateral stria behind humeri with row of ca. 5 deep punctures. Femora subglabrous, including dorsum of metafemur without scales. Mesofemur on posterior surface with longitudinal ridge. Metafemur on posterior surface with two longitudinal furrows; dorsally with smooth ridge; subapically without stridulatory patch. Meso- and metatibia subapically simple, with uncus, without premucro. Aedeagus (Fig. 20b). Apex symmetrical, with median acute extension; body dorsally with two rows of sparse short setae; transfer apparatus small, dentiform; endophallus without distinct sclerites; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.95-3.00 mm.

Material examined.

Holotype (SMNK): ARC1839 (EMBL # HE616116), PAPUA NEW GUINEA, Eastern Highlands Prov., Aiyura, S06°21.033', E145°54.597', 2169 m, 06-II-2010. Paratypes (NAIC): PAPUA NEW GUINEA, Eastern Highlands Prov.: 1 ex, ARC1849 (EMBL # HE616126), Okapa, Kimiagomo village, Hamegoya, S06°25.727', E145°35.455', S06°25.117', E145°35.225', 1891-2131 m, 18-III-2010.

Distribution.

Eastern Highlands Prov. (Aiyura, Okapa). Elevation: 2131-2169 m.

Biology.

Beaten from foliage of montane forests.

Etymology.

This epithet is based on a combination of the Latin nouns cuneus (wedge) and penna (wing, elytron) and refers to the shape of elytra.

Notes.

Trigonopterus cuneipennis Riedel, sp. n. was coded as " Trigonopterus sp. 96" by Tänzler et al. (2012).