Trigonopterus punctatoseriatus 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 : 57-58

Taxon classification Animalia Coleoptera Curculionidae

62. Trigonopterus punctatoseriatus Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 62a). Length 1.88 mm. Color of antennae and legs ferruginous; remainder black. Body subovate, in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum with median ridge and pair of submedian ridges, intervening furrows each with sparse row of mesad directed setae; epistome simple. Pronotum with coarse punctures partly forming longitudinal rows; each puncture containing long recumbent seta; interspaces sub glabrous, especially midline. Elytra with striae distinct; each puncture containing one recumbent seta; intervals flat, subglabrous. Femora with simple, crenate anteroventral ridge. Metafemur subapically with stridulatory patch. Metatibia apically with uncus, without premucro. Abdominal ventrite 5 coarsely punctate, sparsely setose, flat. Penis (Fig. 62b) with sides of body subparallel; apex sparsely setose, converging to median triangular extension, curved ventrad; transfer apparatus compact, symmetrical, with two pair of tendons attached; laterally with pair of sickle-shaped sclerites; apodemes 2.8 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.84-2.00 mm. Female rostrum in apical half dorsally subglabrous, punctate.

Material examined.

Holotype (MZB): ARC1497 (EMBL # LM655595), West Nusa Tenggara Prov., Sumbawa, Tepal, Pc. Nengas, sample 2, S08°35.884', E117°08.384', 1310 m, 15-IV-2010. Paratypes (MZB, SMNK, ZSM): West Nusa Tenggara Prov., Sumbawa: 1 ex, ARC1498 (EMBL # LM655596), same data as holotype; 1 ex, ARC1535 (EMBL # LM655633), Tepal, Pc. Nengas, sample 5, S08°35.740', E117°08.721',1330 m, 16-IV-2010; 2 exx, Tepal, Pc. Nengas, sample 6, S08°35.533', E117°08.605',1350 m, 16-IV-2010; 1 ex, ARC1518 (EMBL # LM655616), Batu Dulang, Mt. Batu Pasak, sample 2, S08°37.028', E117°15.783', 1305 m, 12-IV-2010; 1 ex, ARC1528 (EMBL # LM655626), Batu Dulang, Mt. Batu Pasak, sample 3, S08°37.524', E117°15.423', 1385 m, 18-IV-2010.

Distribution.

West Nusa Tenggara Prov., Sumbawa (Batu Dulang, Tepal). Elevation: 1305-1385 m.

Etymology.

This epithet is based on a combination of the Latin participles punctatus (punctate) and seriatus (in rows) and refers to the elytral sculpture.

Notes.

Trigonopterus punctatoseriatus Riedel, sp. n. was coded as " Trigonopterus sp. 287" by Tänzler et al. (2014).