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Holotype, male (Fig. 85a). Length 2.09 mm. Color ferruginous, pronotum and elytra black with bronze lustre. Body subovate; without constriction between pronotum and elytron; in profile evenly convex. Rostrum with weak median ridge, pair of submedian furrows, sparsely squamose. Pronotum anteriorly sparsely punctate with small punctures, with yellowish ovate to elongate scales; disk subglabrous. Elytra subglabrous, striae obsolete except stria 4 and suture weakly incised; subapically laterally sparsely squamose. Anteroventral ridges of femora simple. Metafemur with dorsoposterior edge simple, subapically without stridulatory patch. Metaventrite and abdominal ventrites 1–2 forming common concavity. Abdominal ventrite 5 markedly swollen, subapically with shallow impression. Aedeagus (Fig. 85b) with apex rounded; in profile dorsal contour forming right angle; transfer apparatus very short, spiniform. Intraspecific variation. Length 2.09–2.48 mm. Female rostrum in apical half sparsely punctate with minute punctures. Female metaventrite and abdominal ventrites 1–2 less markedly concave.
Holotype (MZB): ARC0638 (EMBL # FN429291), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Doyo, S02°32.478', E140°28.835', 365 m, 27-XI-2007, sifted. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 1 ex, ARC0514 (EMBL # FN429220), S02°32.031', E140°30.412', 710 m, 02-XII-2007, sifted; 2 exx, ARC0633 (EMBL # FN429288), ARC0634 (EMBL # FN429289), Sentani, S02°32.221', E140°30.526', 575 m, 19-XI-2007, sifted.
Jayapura Reg. (Cyclops Mts). Elevation: 365–710 m.
Sifted from leaf litter in primary forest.
This epithet is based on a combination of the Latin prefix sub- (less than; almost) and the participle glabratus (smoothened). It refers to its smooth body surface.
Trigonopterus subglabratus Riedel, sp. n. was coded as “Trigonopterus sp. 47” by Riedel et al. (2010) and Tänzler et al. (2012), respectively “Trigonopterus spat” in the EMBL/GenBank/DDBJ databases.
- 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
- Riedel A, Daawia D, Balke M (2010) Deep cox1 divergence and hyperdiversity of Trigonopterus weevils in a New Guinea mountain range (Coleoptera, Curculionidae). Zoologica Scripta, 39 (1): 63-74. doi: 10.1111/j.1463-6409.2009.00404.x
- 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