Trigonopterus kotamobagensis Riedel

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

publication ID	https://dx.doi.org/10.3897/zookeys.828.32200
publication LSID	lsid:zoobank.org:pub:2A63A74D-8B30-4C83-AB74-7BAF6AF6984E
persistent identifier	https://treatment.plazi.org/id/0E28EA4A-968D-4F69-A3DF-AB3AE6DE45FF
taxon LSID	lsid:zoobank.org:act:0E28EA4A-968D-4F69-A3DF-AB3AE6DE45FF
treatment provided by	ZooKeys by Pensoft
scientific name	Trigonopterus kotamobagensis Riedel
status	sp. n.

Treatment

40. Trigonopterus kotamobagensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 40a). Length 3.00 mm. Color of antennae ferruginous; legs dark ferruginous; remainder black. Body subovate; in profile dorsally convex, elytral base weakly projecting. Rostrum dorsally with median and pair of shorter submedian ridges; intervening furrows each with sparse row of piliform scales; in apical 1/3 with median costa and two indistinct pairs of submedian / sublateral denticles; epistome indistinct. Pronotum with disk densely punctate; median line impunctate; interspaces between punctures subglabrous, subequal to or smaller than punctures´ diameter. Elytra punctate with small punctures; basal margin bordered by transverse row of denser punctures; striae marked by hairlines; interspaces between punctures subglabrous; striae 7-9 with larger punctures, stria 8 along humerus with six large, coarse punctures. Femora edentate. Metafemur with dorsoposterior edge denticulate, with row of suberect transparent scales; subapically with stridulatory patch. Dorsal edge of tibiae with subbasal angulation. Posterior face of metatibia in apical 1/2 with dense yellowish setae. Abdominal ventrites 1-2 concave, subglabrous; ventrite 5 flat, subglabrous, apex sparsely punctate, curved ventrad. Penis (Fig. 40b) with sides of body subparallel; apex subtruncate, with short median extension, with dense fringe of curved setae; apodemes 3.5 × as long as body; transfer apparatus flagelliform, supported by M-shaped sclerite, directed basad in repose, 3.5 × longer than body of penis; ductus ejaculatorius with distinct bulbus.

Material examined.

Holotype (MZB): ARC2888 (EMBL # LN884943), N-Sulawesi Prov., Kotamobagu, Matalibaru, 00°32.445'N 124°14.185'E, 956 m, beaten, 20-V-2012.

Distribution.

N-Sulawesi Prov. (Kotamobagu). Elevation 960 m.

Biology.

On foliage in montane forests.

Etymology.

This epithet is a Latinized adjective based on the type locality.

Notes.

Trigonopterus kotamobagensis Riedel, sp. n. was coded as " Trigonopterus sp. 380".