Trigonopterus ascendens 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 : 13

11. Trigonopterus ascendens Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 11a). Length 2.55 mm. Color ferruginous; dorsal surface of head and pronotum black. Body subovate; in dorsal aspect with distinct constriction between pronotum and elytron; in profile with weak constriction. Rostrum densely punctate-reticulate, without longitudinal furrows or ridges. Eyes large, approximate. Pronotum coarsely punctate-reticulate. Elytra densely striate-punctate; striae deeply impressed; intervals each with dense row of deeply impressed punctures, similar to striae; interspaces costate, subglabrous. Femora edentate. Metafemur subapically with stridulatory patch. Aedeagus (Fig. 11b) apically subangulate, subglabrous; transfer apparatus spiniform, long, subequal to body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.52-2.64 mm. Female rostrum dorsally in apical half with punctures usually isolated.

Material examined.

Holotype (MZB): ARC1767 (EMBL # HE616044), WEST NEW GUINEA, Jayawijaya Reg., Poga, S03°47.575', E138°33.155' to S03°47.473', E138°33.163', 2620-2715 m, 15-VII-2010. Paratypes (SMNK, ZSM): 21 exx, ARC1768 (EMBL # HE616045), ARC1769 (EMBL # HE616046), same data as holotype.

Distribution.

Jayawijaya Reg. (Poga). Elevation: ca. 2620-2715 m.

Biology.

Beaten from foliage of upper montane forests.

Etymology.

This epithet is based on the Latin participle ascendens (climbing up) and refers to its occurrence on higher elevations.

Notes.

Trigonopterus ascendens Riedel, sp. n. was coded as " Trigonopterus sp. 169" by Tänzler et al. (2012).