Trigonopterus lombokensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus lombokensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 47a). Length 2.01 mm. Color of antennae and tarsi ferruginous, remainder black. Body in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum with pair of dorsolateral furrows, medially coarsely punctate-rugose; dorsal profile at middle with angulation; 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 indistinct median ridge. Elytra with striae deeply impressed, each with row of slender, suberect scales; intervals costate-carinate, subglabrous; apex narrow, rounded. Meso- and metafemur each with small tooth, profemur simple, relatively long. Metafemur subapically with stridulatory patch. Abdominal ventrite 5 subbasally at middle swollen; in apical half with round depression; coarsely punctate. Penis (Fig. 47b) with sides of body subparallel; apex rounded, medially with sparse setae; transfer apparatus flagelliform, subequal to body; apodemes 2.3 × as long as body; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 1.71–2.06 mm. Color of elytra ferruginous to black. Female rostrum dorsally in apical half subglabrous, with sparse minute punctures; epistome simple. Pronotum in females and in small males relatively narrow, in large males wider. Elytra in females narrower, humeri evenly rounded; large males with humeri more distinctly, subangularly projecting laterad, in small males similar to females; intervals weakly costate, in larger specimens markedly costate or carinate.
Material examined
Holotype (MZB): ARC1458 (EMBL # LM655556), West Nusa Tenggara Prov., Lombok, Tetebatu, Rinjani-trail from Orong Gerisak, sample 6, S08°29.577', E116°24.782', 1195 m, 04-IV-2010. Paratypes (ARC, MZB, SMNK, ZSM): Lombok: 11 exx, ARC1459 (EMBL # LM655557), same data as holotype; 23 exx, Tetebatu, Rinjani-trail from Orong Gerisak, sample 5, S08°30.096', E116°25.062', 1010 m, 04-IV-2010; 13 exx, Tetebatu, Rinjani-trail from Orong Gerisak, sample 7, S08°29.433', E116°24.746', 1240 m, 04-IV-2010; 10 exx, ARC1476 (EMBL # LM655574), ARC1477 (EMBL # LM655575), ARC1478 (EMBL # LM655576), Tetebatu, Rinjani-trail from Orong Gerisak, sample 8, S08°29.173', E116°24.517', 1345 m, 04-IV-2010; 10 exx, N Tetebatu, 1200-1450 m, 07-XII-2004; 1 ex, ARC1483 (EMBL # LM655581), Sesaot, Rinjani-trail, sample 3, S08°29.841', E116°13.679', 625 m, 28-III-2010; 7 exx, ARC2260 (EMBL # LM655714), Senaru, Rinjani-track, sample 1, S08°19.429', E116°24.082', 900 m, 21-III-2011; 12 exx, Senaru, Rinjani-track, sample 2, S08°20.570', E116°23.969', 1320 m, 21-III-2011; 17 exx, Lombok, Senaru, Rinjani-track, sample 3, S08°20.780', E116°23.790', 1465 m, 21-III-2011; 48 exx, Lombok, Senaru, Rinjani-track, sample 4, S08°20.439', E116°24.047', 1240 m, 21-III-2011; 47 exx, ARC2267 (EMBL # LM655721), ARC2268 (EMBL # LM655722), Senaru, Rinjani-track, sample 5, S08°19.800', E116°24.107', 1015 m, 21-III-2011; 31 exx, Lombok, Senaru, Rinjani-track, sample 6, S08°19.359', E116°24.070', 860 m, 23-III-2011; 40 exx, Senaru, Rinjani-trail, sample 7, S08°19.643', E116°24.033', 935 m, 23-III-2011; 48 exx, Senaru, Rinjani-trail, sample 8, S08°19.719', E116°24.040', 955 m, 23-III-2011; 87 exx, ARC2279 (EMBL # LM655733), ARC2280 (EMBL # LM655734), Santong, Rinjani-track, sample 1, S08°20.715', E116°19.695', 830 m, 24-III-2011; 150 exx, Santong, Rinjani-track, sample 2, S08°20.813', E116°19.778', 870 m, 24-III-2011; 67 exx, Santong, Rinjani-track, sample 3, S08°20.996', E116°20.001', 960 m, 24-III-2011; 27 exx, Santong, Rinjani-track, sample 4, S08°21.160', E116°20.067', 1005 m, 25-III-2011; 28 exx, Santong, Rinjani-track, sample 5, S08°21.351', E116°20.208', 1105 m, 25-III-2011; 27 exx, Santong, Rinjani-track, sample 6, S08°21.754', E116°20.476', 1315 m, 25-III-2011.
Distribution
West Nusa Tenggara Prov., Lombok (Santong, Senaru, Sesaot, Tetebatu). Elevation: 625–1345 m.
Etymology
This epithet is based on the island of Lombok.
Notes
Trigonopterus lombokensis Riedel, sp. n. was coded as “Trigonopterus sp. 323” 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
