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Holotype, male (Fig. 33a). Length 2.90 mm. Color black. Body subovate; almost without constriction between pronotum and elytron; in profile evenly convex. Rostrum dorsally relatively flat, with two indistinct submedian rows of punctures, dorsolaterally with pair of furrows continuing along eye; surface weakly microreticulate. Pronotum sparsely punctate with double-punctures each consisting of two minute approximate punctures. Elytra with striae distinct, dorsally punctures small, laterally large; intervals flat, with row of minute punctures, subglabrous. Femora edentate. Metafemur with simple dorsoposterior edge; subapically with stridulatory patch. Tibial base dentiform, when leg extended tibial tooth overlapping femoral apex dorsally. Thoracic and abdominal venter with dense erect setae. Aedeagus (Fig. 33b) apically subangulate, subglabrous; transfer apparatus flagelliform, 1.5 X longer than body; endophallus with two pairs of sclerites; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.75–2.88 mm. Female venter subglabrous.
Holotype (MZB): ARC1776 (EMBL # HE616053), WEST NEW GUINEA, Jayawijaya Reg., Bokondini, S03°40.345', E138°42.386' to S03°40.255', E138°42.189', 1655–1700 m, 18-VII-2010. Paratypes (SMNK, ZSM): 81 exx, ARC1777 (EMBL # HE616054), ARC1778 (EMBL # HE616055), same data as holotype.
Jayawijaya Reg. (Bokondini). Elevation: ca. 1655–1700 m.
Beaten from foliage of montane forests.
This epithet is based on a combination of the Greek nouns gonatos (knee) and ceros (horn) in apposition and refers to the peculiar extensions of the tibial base.
- 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