Trigonopterus sumbawensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus sumbawensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 87a). Length 1.76 mm. Color of antennae and tarsi ferruginous, elytra dark ferruginous, remainder black. Body in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum with median ridge terminating at level of antennal insertion and pair of submedian ridges, coarsely punctate; epistome with transverse, subangulate ridge. Pronotum with indistinct subapical constriction; disk coarsely punctate-rugose, sparsely setose; in basal half with pair of sublateral, kidney-shaped impressions; with median ridge. Elytra with striae deeply impressed, each with row of short, suberect scales; intervals costate, subglabrous; apex rounded. Femora with small tooth; metafemur subapically with stridulatory patch. Abdominal ventrite 5 flat, coarsely punctate. Penis (Fig. 87b) with sides of body subparallel; in apical quarter with sides angularly projecting, abruptly converging to slightly extended apex, medially with sparse setae; transfer apparatus flagelliform, 2.9 × longer than body; apodemes 2.0 × as long as body. Intraspecific variation. Length 1.44–1.98 mm. Body relatively slender or rather roundish (in female ARC2343). Female rostrum dorsally subglabrous, sparsely punctate, with dorsolateral pair of furrows. Elytral intervals subglabrous or with transverse wrinkles. Elytral striae with rows of suberect scales or with rows of subrecumbent setae. Femora with tooth small or minute; profemur with or without tooth.
Material examined
Holotype (MZB): ARC3609 (EMBL # LM656039), West Nusa Tenggara Prov., Sumbawa, Tepal, Pc. Nengas, sample 3, S08°35.386', E117°08.251', 1415 m, 15-IV-2010. Paratypes (MZB, SMNK, ZSM): Sumbawa: 2 exx, ARC3610 (EMBL # LM656040), ARC3611 (EMBL # LM656041), same data as holotype; 4 exx, ARC1533 (EMBL # LM655631), ARC2339 (EMBL # LM655789), ARC2341 (EMBL # LM655791), ARC2343 (EMBL # LM655793), Tepal, Pc. Nengas, sample 7, S08°35.176', E117°08.295', 1490 m, 16-IV-2010; 2 exx, ARC3606 (EMBL # LM656036), ARC3608 (EMBL # LM656038), Tepal, Pc. Nengas, sample 2, S08°35.884', E117°08.384', 1310 m, 15-IV-2010; 2 exx, ARC1516 (EMBL # LM655614), ARC1517(EMBL # LM655615), Batu Dulang, Mt. Batu Pasak, sample 2, S08°37.028', E117°15.783', 1305 m, 12-IV-2010; 3 exx, ARC3653 (EMBL # LM656071), ARC3654 (EMBL # LM656072), ARC3655 (EMBL # LM656073), Batu Dulang, Mt. Batu Pasak, sample 4, S08°37.318', E117°15.339', 1280 m, 18-IV-2010.
Distribution
West Nusa Tenggara Prov., Sumbawa (Batu Dulang, Tepal). Elevation: 1280–1490 m.
Etymology
This epithet is based on the island of Sumbawa.
Notes
Trigonopterus sumbawensis Riedel, sp. n. was coded as “Trigonopterus sp. 326” 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
