Trigonopterus kalimantanensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus kalimantanensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 41a). Length 2.65 mm. Color of antennae light ferruginous, pronotum black, remainder dark ferruginous. Body in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally convex, with shallow constriction. Rostrum with median and pair of submedian ridges; intervening furrows containing row of punctures, with rows of erect scales; epistome with transverse, irregular ridge. Pronotum without subapical constriction; disk densely punctate; interspaces subglabrous; each puncture containing small recumbent seta. Elytra with striae marked by small punctures, each containing minute seta; intervals flat, subglabrous, with interspersed punctures; elytral apex subangulate, densely coarsely punctate, suture incised. Femora with crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Dorsal edge of tibiae with subbasal angulation, dentate in pro- and mesotibia. Abdominal ventrites 1–2 weakly concave, subglabrous, with sparse erect scales; abdominal ventrite 5 flat, with coarse shallow punctures, microreticulate. Penis (Fig. 41b) with sides of body subparallel; apex subangulate, with median triangular extension; endophallus with complex structures, several sclerites, containing few denticles; transfer apparatus complex; apodemes 2.6 × as long as body; ductus ejaculatorius without distinct bulbus. Intraspecific variation. Length 2.35–2.65 mm. Female rostrum in apical half subglabrous, sparsely punctate-rugose; epistome simple. Female elytral apex simple, suture very weekly incised.
Material examined
Holotype (MZB): ARC1421 (EMBL # LM655548), E-Kalimantan Prov., Berau Dist., 1 km off road Tanjungredeb - Tanjungselor, ca. 45 km N of Tanjungredeb, N02°29.55', E117°28.77', 190 m, 29-IX/03-X-2008 (MZB). Paratypes (SMNK): 2 exx, ARC1422 (EMBL # LM655549), ARC1423 (EMBL # LM655550), same data as holotype.
Distribution
E-Kalimantan Prov. (Tanjungredeb). Elevation: 190 m.
Etymology
This epithet is based on the Indonesian name for Borneo, Kalimantan.
Notes
Trigonopterus kalimantanensis Riedel, sp. n. was coded as “Trigonopterus sp. 310” by Tänzler et al. (2014)[1].
Original Description
- Riedel, A; Tänzler, R; Balke, M; Rahmadi, C; Suhardjono, Y; 2014: Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands ZooKeys, (467): 1-162. doi
Images
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Other References
- ↑ Tänzler R, Toussaint E, Suhardjono Y, Balke M, Riedel A (2014) Multiple transgressions of Wallace’s Line explain diversity of flightless Trigonopterus weevils on Bali. Proceedings of the Royal Society B: Biological Sciences 281: 20132528. doi: 10.1098/rspb.2013.2528
