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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.
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.
Jayawijaya Reg. (Poga). Elevation: ca. 2620–2715 m.
Beaten from foliage of upper montane forests.
This epithet is based on the Latin participle ascendens (climbing up) and refers to its occurrence on higher elevations.
- Riedel, A; Sagata, K; Surbakti, S; Rene Tänzler, ; Michael Balke, ; 2013: One hundred and one new species of Trigonopterus weevils from New Guinea ZooKeys, 280: 1-150. doi
- Tänzler R, Sagata K, Surbakti S, Balke M, Riedel A (2012) DNA barcoding for community ecology - how to tackle a hyperdiverse, mostly undescribed Melanesian fauna. PLoS ONE 7 (1): e28832. doi: 10.1371/journal.pone.0028832