Trigonopterus angustus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus angustus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 8a). Length 2.83 mm. Color black; legs and antenna ferruginous. Body elongate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum basally with distinct median and pair of submedian carinae, in apical ¼ relatively smooth, basally sparsely squamose. Pronotum densely punctate with large punctures except small glabrous area at center; interspaces smaller than puncture´s diameter. Elytra dorsally punctate with deep punctures; near base and along suture more densely punctate, punctation confuse; basal margin near elytral suture somewhat swollen and glabrous; striae impressed as fine lines; laterally punctation relatively sparse, behind humerus with row of deep punctures. Femora edentate. Profemur in basal third posteriorly with callus. Metafemur subapically without stridulatory patch. Aedeagus (Fig. 8b) apically subangulate, medially truncate, with pair of stout setae; body flattened, sides subparallel; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.24–2.83 mm. Body of females more slender. Female rostrum dorsally subglabrous, punctate, basally sparsely squamose. Female abdominal ventrites 1–2 flat.
Material examined
Holotype (MZB): ARC0626 (EMBL # FN429283), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani, S02°32.3', E140°30.4', 350–620 m, 19-XI-2007, beaten. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts: 4 exx, Sentani, ARC0455 (EMBL # FN429166), ARC0456 (EMBL # FN429167), ARC0479 (EMBL # FN429186), ARC0631 (EMBL # FN429286), S02°31.3', E140°30.5', 1200–1420 m, 30.XI.2007; 2 exx, ARC0627 (EMBL # FN429284), ARC0630 (EMBL # FN429285), same data as holotype; 1 ex, Cyclops Mts, Angkasa indah ARC1693 (EMBL # HE615980), S02°30.355', E140°42.103' to S02°30.346', E140°42.087', 450–520 m, 28-VI-2010; 5 exx (1 marked as “ARC0046”), 950–1450 m, 03-X-1992; 3 exx, 400–800 m, 07-VIII-1992; 1 ex, 1100–1600 m, 05-X-1991; 2 exx, 300–1400 m, 10-VIII-1991; 6 exx, 1200–1400 m, 09-VIII-1992; 3 exx, Lereh, 500–1000 m, 26-I-1996.
Distribution
Jayapura Reg. (Cyclops Mts; Lereh). Elevation: 520–1200 m.
Biology
Collected by beating foliage in montane forests.
Etymology
This epithet is based on the Latin adjective angustus (narrow) and refers to its habitus.
Notes
Trigonopterus angustus Riedel, sp. n. was coded as “Trigonopterus sp. 12” by Riedel et al. (2010)[1] and Tänzler et al. (2012)[2], respectively “Trigonopterus spl” in the EMBL/GenBank/DDBJ databases.
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
- ↑ 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
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