Trigonopterus fissitarsis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus fissitarsis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 32a). Length 2.04 mm. Color of antennae ferruginous, legs dark ferruginous; remainder black. Body subovate, in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum in basal half with median ridge and pair of submedian ridges, intervening furrows each with sparse row of mesad directed setae; in apical third weakly scabrous; epistome simple. Pronotum coarsely punctate, laterally reticulate, submedially interspaces longitudinally rugose, with median costa; with sparse, slender, subrecumbent scales. Elytra with striae deeply impressed, with row of coarse punctures, each puncture containing suberect seta; intervals costate, subglabrous; incised suture bordered by row of punctures. Femora with simple, crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Meso- and metatibia with posterior surface subglabrous, sparsely setose. Protarsi with tarsomere 3 enlarged, medially deeply incised. Abdominal ventrite 5 flat, coarsely punctate, medially and subapically subglabrous. Penis (Fig. 32b) in basal half with marked constriction, in apical half sides of body subparallel; apex medially with distinct spine, with anterolateral subangular flanges; transfer apparatus compact, symmetrical; apodemes 2.3 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.04–2.14 mm. Female unknown.
Material examined
Holotype (MZB): ARC2211 (EMBL # LM655667), East Nusa Tenggara Prov., Flores Isl., Ruteng, Danau Ranamese, sample 6, S08°38.370', E120°33.798', 1215 m, 11-III-2011. Paratypes (SMNK): 1 ex, ARC2212 (EMBL # LM655668), same data as holotype.
Distribution
East Nusa Tenggara Prov., Flores (Lake Ranamese). Elevation: 1215 m.
Etymology
This epithet is based on a combination of the Latin adjective fissus (cleft) and the Greek noun tarsos and refers to the shape of the protarsi.
Notes
Trigonopterus fissitarsis Riedel, sp. n. was coded as “Trigonopterus sp. 290” 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
