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Holotype, male (Fig. 56a). Length 1.85 mm. Color of antennae, tibiae and tarsi ferruginous, elytra dark ferruginous, remainder black. Body in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum with median ridge and pair of submedian ridges, median ridge terminating before apex; 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 short, suberect scales; intervals costate, subglabrous; apex rounded. Femora with small tooth; metafemur subapically with stridulatory patch. Abdominal ventrite 5 flat, coarsely punctate. Penis (Fig. 56b) with sides of body subparallel; in apical third widening and rounded to apex, medially with sparse setae; transfer apparatus flagelliform, 3.3 × longer than body; apodemes 2.5 × as long as body. Intraspecific variation. Length 1.56–1.90 mm. Female rostrum dorsally subglabrous, sparsely punctate, with dorsolateral pair of furrows. Contour of elytral humeri subangulate in males, rounded in females.
Holotype (MZB): ARC3603 (EMBL # LM656033), West Nusa Tenggara Prov., Sumbawa, Batu Dulang, Gn. Batu Pasak, sample 3, S08°37.524', E117°15.423', 1385 m, 12-IV-2010. Paratypes (MZB, SMNK, ZSM): West Nusa Tenggara Prov., Sumbawa: 5 exx, ARC3641 (EMBL # LM656062), ARC3642 (EMBL # LM656063), ARC3644 (EMBL # LM656065), ARC3645 (EMBL # LM656066), same data as holotype; 1 ex, ARC3649 (EMBL # LM656068), Batu Dulang, Gn. Batu Pasak, sample 3, S08°37.524', E117°15.423', 1385 m, 18-IV-2010; 1 ex, ARC3656 (EMBL # LM656074), Batu Dulang, Gn. Batu Pasak, 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 para- (next to; near by) and the name of Trigonopterus sumbawensis Riedel, sp. n., a sibling species.
Trigonopterus parasumbawensis Riedel, sp. n. was coded as “Trigonopterus sp. 443”.
- 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