Trigonopterus ujungkulonensis 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 : 88-89

Taxon classification Animalia Coleoptera Curculionidae

96. Trigonopterus ujungkulonensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 96a). Length 2.88 mm. Color of antennae light ferruginous, legs and head dark ferruginous, remainder black. Body elongate; in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally without constriction. Rostrum dorsally microreticulate; in basal half with median carina terminating on forehead; with pair of submedian ridges; intervening furrows each with row of punctures and erect scales; epistome with transverse, angulate ridge forming distinct median denticle. Pronotum anterolaterally subangularly projecting; without distinct subapical constriction; disk coarsely punctate-reticulate; each puncture containing small recumbent scale; with median glabrous wrinkle. Elytra with striae deeply impressed; each with row of narrow subrecumbent scales; intervals weakly costate, basally with row of small punctures; basally punctation confused; interval 7 swollen subapically, laterally weakly projecting; sutural interval swollen at apex, protruding. Femora edentate. Metafemur subapically with stridulatory patch and transverse row of denticles. Abdominal ventrite 5 with broadly impressed, shallow pit. Penis (Fig. 96b); sides of body subparallel; apex with median, acute triangular extension; transfer apparatus small; apodemes 2.5 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.58-3.05 mm. Color of body black, dark ferruginous, or light ferruginous. Female rostrum dorsally with median and pair of submedian costae glabrous; intervening furrows each with row of punctures bearing small scales or scales partly abraded; epistome simple. Elytra with scales long, suberect, or short, subrecumbent. Female abdominal ventrite 5 flat.

Material examined.

Holotype (MZB): ARC1540 (EMBL # LM655638), Java, Banten Prov., Ujung Kulon N.P., Tama Jaya, Mt. Honje, sample 5, S06°46.241', E105°31.542', 260 m, 24-IV-2010 (MZB). Paratypes (MZB, SMNK, ZSM): Java, Banten Prov., Ujung Kulon N.P., Tama Jaya, Mt. Honje: 35 exx, ARC1541 (EMBL # LM655639), same data as holotype; 23 exx, ARC1545 (EMBL # LM655643), ARC1546 (EMBL # LM655644), sample 4, S06°46.141', E105°31.649', 395 m, 23-IV-2010; 55 exx, sample 4, S06°46.141', E105°31.649', 395 m, 24-IV-2010; 24 exx, sample 6, S06°46.206', E105°31.592', 305 m, 24-IV-2010.

Distribution.

Banten Prov. (Ujung Kulon N.P.). Elevation: 260-395 m.

Etymology.

This epithet is based on the type locality.

Notes.

Trigonopterus ujungkulonensis Riedel, sp. n. was coded as " Trigonopterus sp. 318".