Trigonopterus serratifemur 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 : 73-74

Taxon classification Animalia Coleoptera Curculionidae

79. Trigonopterus serratifemur Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 79a). Length 2.46 mm. Color of antennae and legs ferruginous; remainder black. Body in dorsal aspect subovate, with marked constriction between pronotum and elytron; in profile dorsally flattened, apex convex. Rostrum in basal half with median and pair of submedian ridges becoming indistinct apically; intervening furrows each with row of coarse punctures and suberect piliform scales; epistome with indistinct, transverse ridge. Pronotum with sides subparallel, anteriorly with distinct subapical constriction; disk coarsely punctate, reticulate; with indistinct median ridge; sparsely setose with minute setae. Elytra with striae distinct; intervals flat, each with row of small punctures; subbasally punctures more dense and confused; each puncture containing small recumbent scale. Profemur with anteroventral ridge indistinct; meso- and metafemur anteroventrally serrate, bearing row of large sharp teeth, in apical 1/3 simple. Metafemur subapically with stridulatory patch. Dorsal edge of tibia subbasally with angulation, in mesotibia with distinct tooth. Abdominal ventrite 5 flat, coarsely punctate. Penis (Fig. 79b) with sides converging to subangulate, denticulate apex; in profile body bent ventrad at right angle; transfer apparatus flagelliform, 2.0 × longer than body; apodemes 2.0 × as long as body; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.20-2.70 mm. Female rostrum dorsally punctate-rugose, with median and pair of submedian subglabrous costae; epistome simple.

Material examined.

Holotype (MZB): ARC2236 (EMBL # LM655692), East Nusa Tenggara Prov., Flores, Labuhan Bajo, Tebedo, sample 1: S08°29.848', E119°59.633', 525 m, 14-III-2011. Paratypes (MZB, SMNK, ZSM): 12 exx, ARC2237 (EMBL # LM655693), ARC2238 (EMBL # LM655694), ARC2239 (EMBL # LM655695), ARC2240 (EMBL # LM655696), same data as holotype; 1 ex, ARC2223 (EMBL # LM655679), Flores, Labuhan Bajo, Roe, sample 5, S08°35.395', E120°00.383', 790 m, 13-III-2011; 1 ex, ARC2229 (EMBL # LM655685), Flores, Labuhan Bajo, Roe, sample 3, S08°36.259', E120°01.539', 975 m, 13-III-2011.

Distribution.

East Nusa Tenggara Prov., Flores (Roe, Tebedo). Elevation: 525-975 m.

Etymology.

This epithet is a combination of the Latin nouns serra (saw) and femur (thigh) and is to be treated as noun in apposition.

Notes.

Trigonopterus serratifemur Riedel, sp. n. was coded as " Trigonopterus sp. 351".