Trigonopterus modoindingensis 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/979D045D-8B3D-4496-882F-F89FD34712F4

taxon LSID

lsid:zoobank.org:act:979D045D-8B3D-4496-882F-F89FD34712F4

treatment provided by

ZooKeys by Pensoft

scientific name

Trigonopterus modoindingensis Riedel
status

sp. n.

53. Trigonopterus modoindingensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 53a). Length 2.24 mm. Color of antennae ferruginous; tarsi and tibiae dark ferruginous; remainder black. Body subovate; in dorsal aspect with distinct constriction between pronotum and elytron; in profile dorsally convex, with weak constriction between pronotum and elytron. Rostrum with lateral flanges in front of eyes; dorsally with weak median and pair of submedian ridges; intervening furrows with rows of coarse punctures and rows of thin setae; epistome short, posteriorly with transverse, angulate ridge. Pronotum with disk densely punctate with coarse punctures; interspaces between punctures subglabrous, reticulate; median line weakly costate. Elytra with striae weakly impressed, with rows of small punctures; along base weakly transversely impressed, with row of coarse punctures; stria 8 along humerus with large, coarse punctures; intervals subglabrous. Femora edentate; anteroventral ridge distinct; anterior surface coarsely punctate, each puncture with recumbent piliform scale. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Abdominal ventrites 1-2 flat, subglabrous, with lateral rim; ventrite 5 with shallow impression, subglabrous, near base punctate. Penis (Fig. 53b) with sides weakly converging, apex subangulate, medially rounded, without setae; apodemes 1.6 × as long as body of penis; transfer apparatus symmetrical, complex; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.24-2.40 mm.

Material examined.

Holotype (MZB): ARC2897 (GenBank # MK260627), N-Sulawesi Prov., Kotamobagu, Modoinding, Lake Moat area, 00°42.862'N 124°28.356'E, 1024 m, sifted, 19-V-2012. Paratypes (SMNK): 3 exx, ARC2898 (GenBank # MK260626), ARC2899 (GenBank # MK260625), same data as holotype.

Distribution.

N-Sulawesi Prov. (Lake Moat). Elevation ca. 1020 m.

Biology.

In leaf litter of montane forest.

Etymology.

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

Notes.

Trigonopterus modoindingensis Riedel, sp. n. was coded as " Trigonopterus sp. 580".