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Holotype, male (Fig. 34a). Length 2.06 mm. Color of head and legs ferruginous; remainder black. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum in apical half scabrous, in basal half with median ridge and pair of submedian ridges; with sparse suberect scales; epistome with transverse, angulate ridge. Pronotum with shallow subapical constriction; disk scabrous, coarsely punctate; interspaces dull, microreticulate; each puncture containing suberect clavate scale inserting at posterior rim. Elytra with striae marked by deep punctures; in front of each puncture with elongate-claviform, erect scale; intervals costate, subglabrous; interval 7 subapically costate; sutural interval simple. Femora edentate. Metafemur subapically without stridulatory patch. Abdominal ventrite 5 flat, microreticulate, with sparse scales. Penis (Fig. 34b) with apex asymmetrically extended to the left; apical extension short; endophallus at middle of body with pair of elongate parallel sclerites; basal orifice ventrally with rim; apodemes short, 0.5 × as long as body; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.02–2.20 mm. Female rostrum dorsally in apical half subglabrous, densely punctate; epistome simple. Endophallic sclerites in specimens from Leuweung Sancang with subbasal sclerite shorter, pair of subapical sclerites less distinct.
Holotype (MZB): ARC2690 (EMBL # LM655948), W-Java, Ciamis, Pangandaran, sample 1, S07°42.836', E108°39.478', 157 m, 22-IV-2012. Paratypes (MZB, SMNK, ZSM): W-Java: 4 exx, ARC2684 (EMBL # LM655942), ARC2685 (EMBL # LM655943), same data as holotype; 1 ex, Ciamis, Pangandaran, sample 3, S07°43.070', E108°39.634', 156 m, 22-IV-2012; 4 exx, ARC2693 (EMBL # LM655949), ARC2694 (EMBL # LM655950), ARC2695 (EMBL # LM655951), Garut, Pameungpeuk, Leuweung Sancang, sample 2, S07°43.807', E107°53.700', 74 m, 24-IV-2012.
W-Java Prov. (Leuweung Sancang, Pangandaran). Elevation: 74–157 m.
This epithet is based on the Latin adjective foveatus (pitted) and refers to its sculpture.
Trigonopterus foveatus Riedel, sp. n. was coded as “Trigonopterus sp. 375”.
- 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