Trigonopterus gedensis Riedel

Riedel, Alexander, Taenzler, Rene, Balke, Michael, Rahmadi, Cahyo & Suhardjono, Yayuk R., 2014, Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands, ZooKeys 467, pp. 1-162 : 35-36

Taxon classification Animalia Coleoptera Curculionidae

36. Trigonopterus gedensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 36a). Length 2.53 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 disk scabrous; with median ridge; with indistinct subapical constriction. Elytra with striae deeply impressed, each with row of short subrecumbent bristles; intervals costate-tuberculate, almost nude; interval 7 swollen subapically, laterally weakly projecting; sutural interval subapically with tooth. Femora edentate. Metafemur subapically with stridulatory patch and transverse rows of denticles. Abdominal ventrite 5 flat, punctate, sparsely setose. Penis (Fig. 36b) with body in profile moderately curved; in dorsal aspect sides subparallel; apex with median, acute triangular extension; transfer apparatus flagelliform, as long as body; apodemes 2.0 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.30-2.55 mm. Female rostrum dorsally with pair of lateral furrows, in apical half subglabrous, coarsely punctate; epistome simple. Female elytra with sutural interval subapically with relatively indistinct knob.

Material examined.

Holotype (MZB): ARC0249 (EMBL # LM655441), West Java Prov., Cianjur, above kebun Gede, sample 2, S06°47.735', E107°00.658', 2005 m, sifted. Paratypes (MZB, SMNK, ZSM): W-Java Prov., Mt. Gede: 5 exx, ARC0250 (EMBL # LM655442), ARC0251 (EMBL # LM655443), ARC0252 (EMBL # LM655444), ARC0253 (EMBL # LM655445), same data as holotype; 22 exx, ARC0003, Cibodas, 2000 m, 07-VI-2002; 4 exx, ARC2664 (EMBL # LM655922), Sukabumi, Cisaat, Situ Gunung, sample 5, S06°47.912', E106°56.457', 1940 m, 16-IV-2012; 5 exx, ARC2665 (EMBL # LM655923), Sukabumi, Cisaat, Situ Gunung, sample 6, S06°47.706', E106°56.560', 2117 m, 16-IV-2012.

Distribution.

W-Java Prov., (Mt. Gede). Elevation: 1940-2117 m.

Etymology.

This epithet is based on the type locality.

Notes.

Trigonopterus gedensis Riedel, sp. n. was coded as " Trigonopterus sp. 307" by Tänzler et al. (2014).