Trigonopterus jasminae Riedel

Riedel, Alexander & Narakusumo, Raden Pramesa, 2019, One hundred and three new species of Trigonopterus weevils from Sulawesi, ZooKeys 828, pp. 1-153 : 1

37. Trigonopterus jasminae Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 37a). Length 2.53 mm. Color of antennae and legs ferruginous; remainder black. Body subovate; in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally weakly convex. Rostrum dorsally with median carina and pair of submedian carinae; intervening furrows each with sparse row of elongate, suberect, yellowish scales; epistome indistinct, subglabrous, sparsely punctate. Pronotum with marked subapical constriction, with sparse suberect yellowish scales; disk subglabrous, with few minute punctures; subapically with sparse course punctures. Elytra with striae 1-3 marked by fine hairlines and minute punctures, striae 4-6 marked by minute punctures only; subbasally with few yellowish scales; laterally subglabrous. Femora edentate; anteroventral ridges simple; anterior surface coarsely punctate, especially towards apex, with subrecumbent narrow yellowish scales. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Metatibia with dorsal edge weakly denticulate; uncus small, weakly curved inwards. Abdominal ventrites 1-2 deeply concave, cavernous, subglabrous; ventrite 5 flat, with sparse suberect yellowish scales. Penis (Fig. 37b) with sides of body subparallel; apex with sparse setae, medially with small angulate extension; apodemes 2.4 × as long as body of penis; transfer apparatus with narrow lyriform frame; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.55-3.00 mm. Female rostrum in apical 1/2 with two submedian rows of punctures, with pair of sublateral furrows; basally with median and pair of submedian carinae, intervening furrows with suberect, yellowish scales directed posteriad.

Material examined.

Holotype (MZB): ARC2806 (EMBL # LN884930), SE-Sulawesi Prov., Wakatobi, Wangi Wangi Is, Matahora, 05°20.302'S 123°36.680'E, 32 m, sifted, 26-V-2012. Paratypes (MZB, SMNK): N-Sulawesi Prov.: 19 exx, ARC2804 (GenBank # MK260363), ARC2805 (GenBank # MK260364), ARC2807 (GenBank # MK260365), same data as holotype.

Distribution.

SE-Sulawesi Prov. (Wangi Wangi Is). Elevation ca. 30 m.

Biology.

In thin leaf litter of lowland forest.

Etymology.

This species is named for my daughter Jasmin, who found the first specimen of this species. The epithet is a noun in the genitive case. Invariable.

Notes.

Trigonopterus jasminae Riedel, sp. n. was coded as " Trigonopterus sp. 413".