Trigonopterus myops
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus myops Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 54a). Length 1.66 mm. Color dark ferruginous, elytra almost black; antenna light ferruginous. Body subovate, in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum with indistinct, median ridge, bordered by row of coarse punctures, sparsely setose; epistome simple. Eyes small, anteriorly angularly projecting. Pronotum with weak subapical constriction; disk densely, coarsely punctate; each puncture with short, yellowish scale. Elytra with striae deeply impressed; each puncture with suberect, yellowish scale; intervals subglabrous, uneven, intervals 3, 5 and 7 distinctly costate; apex extended ventrad, slightly beak-shaped. Meso- and metafemur ventrally dentate. Metafemur subapically without stridulatory patch. Aedeagus (Fig. 54b) with apex asymmetrical, right side forming long curved extension; basal orifice ventrally with rim; transfer apparatus spiniform; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.35–1.76 mm. Female rostrum dorsally subglabrous, sparsely punctate, in basal third coarsely punctate. Abdominal ventrite 3 of females with flattened subtriangular process projecting over ventrite 4 with pair of submedian spines. Female abdominal ventrites 4–5 weakly sclerotized.
Material examined
Holotype (MZB): ARC0777 (EMBL # HE615460), WEST NEW GUINEA, Manokwari Reg., Manokwari, Arfak Mts, S01°03.723', E133°54.145', 1385 m, 08-XII-2007. Paratypes (SMNK, ZSM): WEST NEW GUINEA, Manokwari Reg., Manokwari, Arfak Mts: 14 exx, ARC0778 (EMBL # HE615461), same data as holotype; 14 exx, Arfak Mts, S01°04.087', E133°54.268', 1520 m, 08-XII-2007; 51 exx, ARC0799 (EMBL # HE615482), Mokwam, Siyoubrig, S01°06.668', E133°54.594', 1535 m, 08-XII-2007; 5 exx, Mokwam, Siyoubrig, S01°06.107', E133°54.888', 1530 m, 10-XII-2007; 21 exx, Mokwam, Siyoubrig, S01°06.086', E133°55.027', 1500 m, 10-XII-2007, sifted.
Distribution
Manokwari Reg. (Arfak Mts). Elevation: 1385–1535 m.
Biology
Sifted from leaf litter in montane forest.
Etymology
This epithet is based on the Greek myops (short-sighted) and refers to its peculiar eyes of a few ommatidia.
Notes
Trigonopterus myops Riedel, sp. n. was coded as “Trigonopterus sp. 232” by Tänzler et al. (2012)[1].
Original Description
- 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
Other References
- ↑ 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
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