Trigonopterus javensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus javensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 40a). Length 2.08 mm. Color ferruginous. Body subhexagonal; in dorsal aspect with marked constriction between pronotum and elytron; with distinct constriction in profile. Rostrum coarsely rugose-punctate, with irregular median ridge; epistome with indistinct transverse ridge forming median denticle. Pronotum anterolaterally angularly projecting; with distinct subapical constriction; disk coarsely punctate, punctures each with one slender suberect scale; with median ridge. Elytra with striae deeply impressed, intervals costate to subcarinate; striae and intervals each with row of subrecumbent, short bristles; interval 7 swollen subapically, laterally projecting. Femora edentate. Metafemur subapically with stridulatory patch and transverse rows of denticles. Abdominal ventrite 5 somewhat swollen, at middle with shallow impression, sparsely setose. Penis (Fig. 40b) with body flattened, sides subparallel; apex subangulate; transfer apparatus spiniform, subequal to body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.76–2.09 mm. Color of elytra black or ferruginous. Female rostrum dorsally with longitudinal furrows; epistome simple. Pronotum anterolaterally more or less distinctly angularly projecting. Female abdominal ventrite 5 flat.
Material examined
Holotype (MZB): ARC0192 (EMBL # LM655416), West Java Prov., Mt. Halimun N.P., N Ciptarasa, sample 3, S06°49.867', E106°30.085', 1100 m, 19-IX-2005. Paratypes (MZB, SMNK, ZSM): 17 exx, ARC0156, ARC0190 (EMBL # LM655414), ARC0191 (EMBL # LM655415), same data as holotype; 4 exx, W-Java Prov., Citalahab, sample 2, S06°44.503', E106°31.550', 1200 m, 12-IX-2005; 6 exx, ARC2656 (EMBL # LM655914), ARC2657 (EMBL # LM655915), W-Java Prov., Sukabumi, Mt. Gede, Cisaat, Situ Gunung, sample 1, S06°49.377', E106°55.729', 1281 m, 15-IV-2012; 3 exx, ARC2660 (EMBL # LM655918), ARC2661 (EMBL # LM655919), W-Java Prov., Sukabumi, Mt. Gede, Cisaat, Situ Gunung, sample 2, S06°49.038', E106°55.852', 1342 m, 15-IV-2012; 4 exx, ARC0196, ARC0197 (EMBL # LM655420), ARC0198, W-Java Prov., Ciamis, Mt. Sawal, Batu Cakra, sample 1, S07°14.920', E108°15.762', 990 m, 01-X-2005; 2 exx, W-Java Prov., Ciamis, Mt. Sawal, Blok Cireong, sample 2, S07°14.127', E108°15.568', 1120 m, 01-X-2005; 1 ex, ARC3593 (EMBL # LM656024), Sumedang, Sukajadi, Mt. Cakrabuana, sample 5, S07°01.804', E108°08.044', 1563 m, 20-IV-2012; 4 exx, ARC0285 (EMBL # LM655475), ARC0286 (EMBL # LM655476), ARC0287 (EMBL # LM655477), C-Java Prov., N slopes of Dieng figau, Petungkriyono, Mt. Deles, sample 1, S07°08.221', E109°43.599', 1505 m, 24-VIII-2006; 4 exx, ARC0297 (EMBL # LM655487), C-Java Prov., N slopes of Dieng figau, Petungkriyono, Mt. Deles, sample 3, S07°08.225', E109°43.555', 1495 m, 24-VIII-2006; 4 exx, ARC0296 (EMBL # LM655486), C-Java Prov., N slopes of Dieng figau, Petungkriyono, mountain N Tinalum, sample 1, S07°06.418', E109°44.514', 1115 m, 22-VIII-2006; 1 ex, C-Java Prov., Mt. Slamet, Guci, sample 5, S07°11.953', E109°10.497', 1620 m, 27-XI-2011; 6 exx, ARC2496 (EMBL # LM655833), ARC2497 (EMBL # LM655834), ARC2498 (EMBL # LM655835), C-Java Prov., Mt. Slamet, Guci, sample 6, S07°11.983', E109°10.556', 1671 m, 27-XI-11.
Distribution
W-Java Prov. (Mt. Gede, Mt. Halimun N.P., Mt. Cakrabuana, Mt. Sawal), C-Java Prov. (Dieng, Mt. Slamet). Elevation: 990–1671 m.
Etymology
This epithet is based on the name of Java Island.
Notes
Trigonopterus javensis Riedel, sp. n. was coded as “Trigonopterus sp. 294”.
Original Description
- 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
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