Trigonopterus enam
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus enam Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 31a). Length 2.06 mm. Color of antennae, tarsi and tibiae ferruginous; remainder black. Body subovate, in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum with median ridge and pair of indistinct submedian ridges, intervening furrows each with sparse row of mesad directed setae; epistome with transverse subangulate ridge. Pronotum coarsely punctate, rugose, with median costa; with sparse, subrecumbent scales. Elytra with striae deeply impressed, each with row of slender suberect scales; intervals costate, subglabrous; incised suture bordered by row of punctures. Femora with simple, crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Metatibia apically with uncus, without premucro. Abdominal ventrite 5 coarsely punctate. Penis (Fig. 31b) with sides of body subparallel; apex broadly angulate, medially rounded and sparsely setose; transfer apparatus compact, symmetrical; apodemes 1.9 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.06–2.24 mm. Color of body partly ferruginous or black. Female rostrum in apical half dorsally subglabrous, punctate; epistome simple.
Material examined
Holotype (MZB): ARC2224 (EMBL # LM655680), East Nusa Tenggara Prov., Flores Isl., Labuhan Bajo, Roe, sample 5, S08°35.395', E120°00.383', 790 m, 13-III-2011 (MZB). Paratypes (SMNK, ZSM): Flores Isl., Labuhan Bajo: 2 exx, ARC2587 (EMBL # LM655896), ARC2588 (EMBL # LM655897), Roe, sample 2, S08°36.338', E120°01.637', 965 m, 13-III-2011; 1 ex, ARC3625 (EMBL # LM656055), Roe, sample 3, S08°36.259', E120°01.539', 975 m, 13-III-2011.
Distribution
East Nusa Tenggara Prov., Flores (Labuhan Bajo). Elevation: 790–965 m.
Etymology
This epithet is based on the Indonesian word for “six” and is treated as a noun in apposition.
Notes
Trigonopterus enam Riedel, sp. n. was coded as “Trigonopterus sp. 295” 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
