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Holotype, male (Fig. 53a). Length 2.95 mm. Color of legs and head ferruginous, remainder black. Body elongate; in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally without constriction. Rostrum dorsally microreticulate; with median carina terminating on forehead; with pair of submedian ridges; intervening furrows each with sparse row of erect scales; epistome with transverse, angulate ridge forming distinct median denticle. Pronotum anterolaterally subangularly projecting; without distinct subapical constriction; disk coarsely punctate; each punctures containing recumbent scale, subapically with suberect scale; without median ridge. Elytra with striae deeply impressed; each with row of small recumbent scales; intervals almost flat; interval 7 swollen subapically, laterally weakly projecting; apex extended ventrad, beak-shaped. Meso- and metafemur with crenulate anteroventral ridge terminating with blunt tooth. Metafemur subapically with stridulatory patch and transverse row of denticles. Abdominal ventrite 5 subapically with shallow pit. Penis (Fig. 53b) with body in profile weakly curved ventrad; in dorsal aspect sides subparallel; apex with subangulate notch; transfer apparatus thick flagelliform, ca. as long as body; apodemes 1.9 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.65–2.98 mm. Body of females slender; males slightly wider, especially between humeri. Female rostrum dorsally with pair of lateral furrows, pair of submedian furrows continued apicad by coarse punctures; epistome simple. Female abdominal ventrite 5 flat.
Holotype (MZB): ARC2682 (EMBL # LM655940), West Java Prov., Ciamis, Pangandaran, sample 2, S07°42.836', E108°39.478', 157 m, 22-IV-2012. Paratypes (SMNK, ZSM): W-Java Prov., Ciamis, Pangandaran: 3 exx, ARC2683 (EMBL # LM655941), same data as holotype; 3 exx, ARC2686 (EMBL # LM655944), ARC2687 (EMBL # LM655945), ARC3637 (EMBL # LM656059), sample 3, S07°43.070', E108°39.634', 156 m, 22-IV-2012.
W-Java Prov. (Pangandaran). Elevation: 156–157 m.
This epithet is based on the type locality, Pangandaran.
Trigonopterus pangandaranensis Riedel, sp. n. was coded as “Trigonopterus sp. 372”.
- 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