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Holotype, male (Fig. 61a). Length 1.94 mm. Color of antennae, legs and elytron ferruginous, remainder black. Body in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum in basal half with median ridge and pair of submedian ridges, in apical half rugose-punctate; 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. Elytra with striae deeply impressed, each with row of short, suberect scales; intervals costate, subglabrous; apex narrow. Femora with small tooth; metafemur subapically with stridulatory patch. Abdominal ventrite 5 flat, coarsely punctate. Penis (Fig. 61b) with sides of body subparallel; in apical quarter with sides angularly projecting, abruptly converging to slightly extended apex, medially with sparse setae; transfer apparatus flagelliform, 2.3 × longer than body; apodemes 2.3 × as long as body. Intraspecific variation. Length 1.52–1.94 mm. Color of elytra ferruginous or almost black. Body relatively slender or rather roundish. Penis with flagelliform transfer apparatus 2.3–2.4 × longer than body; apodemes 2.3–2.4 × as long as body.
Holotype (MZB): ARC3602 (EMBL # LM656032), West Nusa Tenggara Prov., Sumbawa, Batu Dulang, Gn. Batu Pasak, sample 3, S08°37.524', E117°15.423', 1385 m, 12-IV-2010. Paratypes (SMNK): Sumbawa, Batu Dulang, Gn. Batu Pasak: 2 exx, ARC3604 (EMBL # LM656034), ARC3643 (EMBL # LM656064), ARC3646 (EMBL # LM656067), ARC3651 (EMBL # LM656069), same data as holotype; 1 ex, ARC3657 (EMBL # LM656075), sample 5, S08°37.005', E117°15.790', 1320 m, 18-IV-2010.
West Nusa Tenggara Prov., Sumbawa (Batu Dulang). Elevation: 1385 m.
This epithet is based on the Greek prefix pseudo (false) and the name of Trigonopterus sumbawensis Riedel, sp. n., a sibling species.
Trigonopterus pseudosumbawensis Riedel, sp. n. was coded as “Trigonopterus sp. 442”.
- 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