Trigonopterus payungensis 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 : 54-55

Taxon classification Animalia Coleoptera Curculionidae

58. Trigonopterus payungensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 58). Length 2.58 mm. Color of tibiae, tarsi and antennae ferruginous, remainder black. Body subhexagonal; 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 anterolaterally angularly projecting; with distinct subapical constriction; disk scabrous, punctures each with one erect seta; interspaces weakly microreticulate; with median ridge. Elytra with striae deeply impressed, each with row of suberect slender scales partly abraded; intervals carinate, nude, weakly microreticulate; interval 7 swollen subapically, laterally weakly projecting. Femora edentate. Metafemur subapically with stridulatory patch and transverse row of denticles. Abdominal ventrite 5 flat, densely punctate, setose. Penis (Fig. 58b) in profile moderately curved; in dorsal aspect body slender, sides subparallel; apex with short, rounded extension; transfer apparatus flagelliform, 2 × longer than body; apodemes 2.2 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.40-2.58 mm. Female rostrum dorsally with longitudinal furrows; epistome simple. Pronotum with anterolateral knobs blunt, somewhat rounded in male, or more acute, angularly projecting in females. Female abdominal ventrite 5 flat.

Material examined.

Holotype (MZB): ARC2710 (EMBL # LM655966), West Java Prov., Garut, Cikajang, Mt. Payung, sample 2, S07°25.268', E107°48.492', 1250 m, 26-IV-2012. Paratypes (MZB, SMNK, ZSM): 7 exx, ARC3598 (EMBL # LM656028), ARC3599 (EMBL # LM656029), ARC3600 (EMBL # LM656030), ARC3601 (EMBL # LM656031), same data as holotype; 3 exx, ARC2702 (EMBL # LM655958), ARC2703 (EMBL # LM655959), ARC3590 (EMBL # LM656021), W-Java Prov., Garut, Cikajang, Mt. Payung, sample 1, S07°25.345', E107°48.825', 1085 m, 26-IV-2012.

Distribution.

W-Java Prov. (Mt. Payung). Elevation: 1085-1250 m.

Etymology.

This epithet is based on the type locality.

Notes.

Trigonopterus payungensis Riedel, sp. n. was coded as " Trigonopterus sp. 312".