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Holotype, male (Fig. 97a). Length 2.35 mm. Color black, tarsi and antennae ferruginous. Body elongate; in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum coarsely rugose-punctate, with median ridge and pair of irregular submedian ridges; epistome with indistinct, transverse, subangulate ridge. Pronotum with distinct subapical constriction; disk scabrous, punctures each with one erect seta; with median ridge. Elytra with striae deeply impressed, each with row of stout suberect bristles; intervals costate-tuberculate, almost nude; interval 3 most prominent; sutural interval swollen apically; interval 7 swollen subapically, laterally weakly projecting. Femora edentate. Metafemur subapically with stridulatory patch. Abdominal ventrite 5 flat, densely punctate, setose. Penis (Fig. 97b) with body flattened, in profile markedly curved; in dorsal aspect sides weakly diverging apicad; apex with median, triangular extension; transfer apparatus flagelliform, 1.1 × longer than body; apodemes 2.6 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.13–2.50 mm. Female rostrum dorsally with median costa and pair of submedian costae separated by rows of coarse punctures; epistome simple. Elytra with sutural interval apically more or less swollen.
Holotype (MZB): ARC0314 (EMBL # LM655504), West Java Prov., SW Bandung, Ciwidey, Mt. Patuha, sample 2, S07°09.699', E107°24.377', 2100 m, 06-IX-2006. Paratypes (MZB, ARC, SMNK, ZSM): W-Java Prov.: 2 exx, ARC0312 (EMBL # LM655502), ARC0313 (EMBL # LM655503), same data as holotype; 5 exx, ARC0315 (EMBL # LM655505), ARC0316 (EMBL # LM655506), SW Bandung, Ciwidey, Mt. Patuha, sample 3, S07°09.336', E107°24.260', 2015 m, 06-IX-2006; 6 exx, ARC0004, Ciwidey, Gambung, Mt. Tilu, 1900 m, 12-VI-2002; 13 exx, ARC0169, ARC0214 (EMBL # LM655436), ARC0215 (EMBL # LM655437), Cilawu, Mt. Cikuray, sample 3, S07°19.075', E107°52.338', 2050 m, 24-IX-2005.
W-Java Prov., (Mt. Cikuray, Mt. Patuha, Mt. Tilu). Elevation: 1900–2100 m.
This epithet is based on the Latin adjective variolosus (scarred) and refers to the species´ rough sculpture.
Trigonopterus variolosus Riedel, sp. n. was coded as “Trigonopterus sp. 302”.
- 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