Trigonopterus cirripes
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus cirripes Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 16a). Length 2.54 mm. Color of antennae and tarsi ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with broad median costa and pair of submedian ridges; intervening furrows each with sparse row of subrecumbent setae; epistome weakly scabrous. Pronotum with disk densely punctate; interspaces between punctures subglabrous, subequal to or smaller than punctures´ diameter. Elytra with striae marked by fine lines and rows of small punctures; basal margin bordered by transverse row of deeper punctures; sutural interval with additional row, other intervals subglabrous, with few interspersed punctures; stria 8 along humerus with five coarse punctures. Femora edentate; anteroventral ridge of mesofemur and metafemur crenate; anterior surface coarsely punctate, each puncture with recumbent narrow scale. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Metatibia subapically concave, subglabrous, with two dense clusters of setae, near tarsal articulation setae strongly incurved. Abdominal ventrites 1–2 concave, subglabrous; ventrite 5 with apical 1/2 bent ventrad; subapically punctate. Penis (Fig. 16b) with sides of body constricted in basal 1/2, diverging to shallow subapical constriction; ostium at middle with large sclerite; apodemes 2.5 × as long as body of penis; transfer apparatus elongate; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.48–2.55 mm. Female rostrum subglabrous, with two submedian rows of punctures, with pair of sublateral furrows. Female abdominal ventrite 5 flat, subapically punctate.
Material examined
Holotype (MZB): ARC2915 (GenBank # MK260283), N-Sulawesi Prov., Kotamobagu, Modoinding, Kakenturan, 00°46.951'N 124°30.427'E to 00°47.053'N 124°30.413'E, 1210–1228 m, beaten, 19-V-2012. Paratypes (MZB, SMNK): N-Sulawesi Prov.: 13 exx, ARC2916 (EMBL # LN884945), ARC2917 (GenBank # MK260284), ARC2918 (GenBank # MK260285), same data as holotype.
Distribution
N-Sulawesi Prov. (Modoinding). Elevation ca. 1200 m.
Biology
On foliage in montane forests.
Etymology
This epithet is a combination of the Latin nouns cirrus (curl) and pes (foot, leg). It refers to the male metatibia.
Notes
Trigonopterus cirripes Riedel, sp. n. was coded as “Trigonopterus sp. 395”.
Original Description
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi
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