Trigonopterus mesehensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus mesehensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 49a). Length 2.70 mm. Color of antennae ferruginous; legs dark ferruginous; remainder black. Body subovate, in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum with median ridge and pair of submedian ridges, intervening furrows each with sparse row of mesad directed scales; epistome with irregular transverse ridge. Pronotum coarsely punctate, reticulate-costate, with median costa; with sparse, recumbent scales. Elytra with dense, confused punctation; intervals flat, each with row of punctures; each puncture containing small recumbent scale; elytral apex subtruncate. Femora with simple anteroventral ridge, crenate in metafemur. Metafemur subapically with stridulatory patch. Abdominal ventrite 5 coarsely punctate, with sparse suberect scales. Penis (Fig. 49b) with sides of body subparallel; apex with median angulate extension; transfer apparatus with flagelliform median rod forming almost full coil; median rod projecting basad further than apicad, ca 2.7 × as long as body; apodemes 3.4 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.11–2.88 mm. Color of elytra dark ferruginous to black. Female rostrum in apical half slender, dorsally subglabrous, with submedian rows of punctures, laterally punctate-rugose; epistome simple.
Material examined
Holotype (MZB): ARC2250 (EMBL # LM655705), Bali, Negara, Kampung Pasatan, Desa Pohsanten, Mt. Mesehe, sample 2, S08°17.299', E114°41.494', 460 m, 17-III-2011. Paratypes (MZB, SMNK, ZSM): Bali, Negara, Kampung Pasatan, Desa Pohsanten, Mt. Mesehe: 5 exx, ARC2251 (EMBL # LM655706), same data as holotype; 6 exx, ARC2248 (EMBL # LM655703), ARC2249 (EMBL # LM655704), sample 1, S08°17.369', E114°41.392', 550 m, 17-III-2011; 15 exx, sample 3, S08°17.403', E114°41.424', 515 m, 17-III-2011; 5 exx, sample 4, S08°17.466', E114°41.331', 490 m, 17-III-2011; 1 ex, sample 6, S08°16.234', E114°41.528', 935 m, 18-III-2011; 3 exx, ARC2247 (EMBL # LM655702), S08°16.454', E114°41.725', 840 m, hand-collected from foliage, 18-III-2011; 26 exx, ARC0727, ARC0728, ARC0729, ARC0732 (PCR failed), trail to Mesehe waterfall, S08°18.30', E114°41.68', 350–600 m, 14.&17.XII.2008; 8 exx, ARC2962 (EMBL # LM656015), sample 8, S08°16.454', E114°41.725', 825 m, 18-III-2011.
Distribution
Bali (Mt. Mesehe). Elevation: 460–840 m.
Etymology
This epithet is based on the type locality Mt. Mesehe.
Notes
Trigonopterus mesehensis Riedel, sp. n. was coded as “Trigonopterus sp. 334” 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
