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Holotype, male (Fig. 93a). Length 2.34 mm. Color of antennae light ferruginous, legs and sutural interval dark ferruginous; remainder black. Body subovate, in dorsal aspect with weak constriction between pronotum and elytron; with distinct constriction in profile. Rostrum with median ridge and pair of irregular submedian ridges, intervening furrows each with sparse row of mesad directed setae; epistome with transverse ridge. 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 one suberect bristle; intervals costate, subglabrous; suture incised, dull microreticulate, bordered by row of punctures. Femora with simple, crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Abdominal ventrite 5 dull, coriaceous, at middle with shallow impression, with distinct median carina. Penis (Fig. 93b) with sides of body slightly diverging in straight line; apex subangulate, subglabrous, sparsely setose; orifice with complex sclerites; transfer apparatus compact, symmetrical, apically with large anchor-shaped sclerite; apodemes 3.3 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.98–2.34 mm. Female rostrum in apical half dorsally subglabrous, punctate; epistome simple. Female abdominal ventrite flat, with weak median ridge.
Holotype (MZB): ARC2243 (EMBL # LM655698), East Nusa Tenggara Prov., Flores Isl., Labuhan Bajo, Tebedo, sample 1, S08°29.848', E119°59.633', 525 m, 14-III-2011. Paratypes (SMNK): Flores Isl., Labuhan Bajo: 1 ex, ARC2225 (EMBL # LM655681), Roe, sample 5, S08°35.395', E120°00.383', 790 m, 13-III-2011.
East Nusa Tenggara Prov., Flores (Labuhan Bajo). Elevation: 525–790 m.
This epithet is based on the Indonesian word for “three” and is treated as a noun in apposition.
- 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
- 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