Trigonopterus delapan
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus delapan Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 22a). Length 2.04 mm. Color of antennae and tarsi 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; anterior third scabrous; epistome with transverse ridge. Pronotum coarsely punctate, laterally reticulate, submedially interspaces longitudinally rugose, with median costa; with sparse, suberect, slender scales. Elytra with striae deeply impressed; each with row of slender suberect setae; suture broadly sunk-in, dull microreticulate; intervals costate, subglabrous. Femora with simple, crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Metatibia apically with uncus, without premucro. Abdominal ventrite 5 sparsely punctate, microreticulate, in basal third with median carina. Penis (Fig. 22b) with sides of body subparallel; containing sclerite of an inverted V; apex sparsely setose, with median, subtriangular extension; transfer apparatus compact, symmetrical; transfer process spiniform, pointing to apex of endophallus; apodemes 2.6 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.04–2.08 mm. Color of body dark ferruginous to black. Female rostrum in apical half dorsally subglabrous, punctate; epistome simple. Female abdominal ventrite 5 near base weakly swollen.
Material examined
Holotype (MZB): ARC2242 (EMBL # LM655697), East Nusa Tenggara Prov., Flores Isl., Labuhan Bajo, Tebedo, sample 1, S08°29.848', E119°59.633', 525 m, 14-III-2011. Paratypes (MZB, SMNK): 7 exx, ARC2591 (EMBL # LM655900), ARC2592 (EMBL # LM655901), ARC3636 (EMBL # LM656058), same data as holotype.
Distribution
East Nusa Tenggara Prov., Flores (Labuhan Bajo). Elevation: 525 m.
Etymology
This epithet is based on the Indonesian word for “eight” and is treated as a noun in apposition.
Notes
Trigonopterus delapan Riedel, sp. n. was coded as “Trigonopterus sp. 298” 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
