Trigonopterus lima 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 : 44-45

Taxon classification Animalia Coleoptera Curculionidae

46. Trigonopterus lima Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 46a). Length 2.14 mm. Color of antennae, legs and head ferruginous; remainder dark ferruginous to black; elytra with slight bronze lustre. Body subovate, in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum with median ridge and pair of submedian ridges, intervening furrows each with sparse row of mesad directed scales; epistome simple. Pronotum coarsely punctate, laterally reticulate, dorsally interspaces longitudinally rugose; with median costa; with sparse, suberect, slender scales. Elytra with striae deeply impressed, each with row of slender suberect scales; intervals costate, subglabrous; incised suture bordered by row of squamiferous punctures, partly overgrown by costate sutural interval. Femora with simple anteroventral ridge. Metafemur subapically with stridulatory patch. Metatibia apically with uncus, without premucro. Abdominal ventrite 5 flat, coarsely punctate. Penis (Fig. 46b) with sides of body subparallel; apex broadly angulate; in apical half with pair of elongate sclerites converging to orifice; transfer apparatus small, symmetrical, with median spine projecting to apex of endophallus; apodemes 1.9 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.03-2.17 mm. Female rostrum in apical half dorsally subglabrous, with longitudinally confluent punctures; epistome simple.

Material examined.

Holotype (MZB): ARC2199 (EMBL # LM655655), East Nusa Tenggara Prov., Flores Isl., Ruteng, Mt. Ranaka, sample 3, S08°38.099', E120°31.745', summit area, 2205 m, 09-III-2011. Paratypes (MZB, SMNK): Flores Isl., Ruteng, Mt. Ranaka: 2 exx, ARC2579 (EMBL # LM655888), ARC2580 (EMBL # LM655889), sample 5, S08°38.277', E120°31.616', 2010 m, 09-III-2011; 1 ex, ARC2581 (EMBL # LM655890), sample 6, S08°38.243', E120°31.569', 1995 m, 09-III-2011; 2 exx, ARC2204 (EMBL # LM655660), sample 8, S08°37.781', E120°31.184', 1730 m, 10-III-2011.

Distribution.

East Nusa Tenggara Prov., Flores (Ruteng). Elevation: 1730-2205 m.

Etymology.

This epithet is based on the Indonesian word for “five” and is treated as a noun in apposition.

Notes.

Trigonopterus lima Riedel, sp. n. was coded as " Trigonopterus sp. 297".