Trigonopterus moatensis 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/BAC62C84-DC02-4E84-87E4-3B5B895AF5D5

taxon LSID

lsid:zoobank.org:act:BAC62C84-DC02-4E84-87E4-3B5B895AF5D5

treatment provided by

ZooKeys by Pensoft

scientific name

Trigonopterus moatensis Riedel
status

sp. n.

52. Trigonopterus moatensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 52a). Length 2.48 mm. Color of antennae ferruginous; legs dark ferruginous; remainder black. Body subovate; in profile dorsally convex. Rostrum dorsally with median costa and pair of submedian costae, in apical 1/2 continued as fine ridges; with sparse rows of suberect piliform scales; epistome sparsely punctate, with minute median denticle. Pronotum with disk densely punctate; median line sparsely punctate; interspaces between punctures subglabrous, subequal to punctures´ diameter. Elytra with striae marked by rows of small punctures and hairlines except stria 1 without hairline; along basal margin with transverse row of denser punctures; stria 8 along humerus with larger punctures; intervals flat, subglabrous, with few interspersed punctures. Femora edentate. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Posterior face of metatibia in apical 1/2 with dense long setae, subapically forming inwards curved brush. Abdominal ventrites 1-2 concave, subglabrous; ventrite 5 concave, subglabrous. Penis (Fig. 52b) with sides of body weakly constricted near middle; apex subangulate, with sparse setae; apodemes 2.2 × as long as body; transfer apparatus complex; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.40-2.68 mm.

Material examined.

Holotype (MZB): ARC2908 (GenBank # MK260238), N-Sulawesi Prov., Kotamobagu, Modoinding, Lake Moat area, 00°42.862'N 124°28.356'E, 1024 m, beaten, 19-V-2012. Paratypes (MZB, SMNK): 4 exx, ARC2907 (GenBank # MK260240), ARC2909 (GenBank # MK260239), same data as holotype.

Distribution.

N-Sulawesi Prov. (Lake Moat). Elevation ca. 960 m.

Biology.

On foliage in montane forests.

Etymology.

This epithet refers to Lake Moat which is close to the type locality. A variable Latinized adjective.

Notes.

Trigonopterus moatensis Riedel, sp. n. was coded as " Trigonopterus sp. 382".