Trigonopterus ovalipunctatus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus ovalipunctatus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 57a). Length 2.03 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, with very weak constriction between pronotum and elytron. Rostrum dorsally punctate-rugose; median costa indistinct, with pair of irregular submedian ridges; epistome indistinct, subglabrous, with weak median denticle. Pronotum with ovate punctures of transverse orientation; interspaces subglabrous. Elytra with striae marked by rows of small punctures; sutural interval with additional row, other intervals subglabrous, with sparse minute punctures. Femora dentate with small tooth; anteroventral ridge of meso-and metafemur weakly crenate; anterior surface densely punctate, microreticulate, each puncture with short recumbent seta. Metafemur subapically with stridulatory patch. Abdominal ventrites 1–2 concave, subglabrous, with sparse punctures; ventrite 5 flat, densely punctate, markedly microreticulate. Penis (Fig. 57b) with body subparallel, apex rounded; apodemes 2.4 × as long as body of penis; transfer apparatus short spiniform; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.03–2.22 mm. Female rostrum subglabrous, with sparse minute punctures.
Material examined
Holotype (MZB): ARC3126 (GenBank # MK260422), C-Sulawesi Prov., Pendolo, Gn. Sampuraga, 02°15.407'S 120°47.051'E, 1406 m, beaten, 16-V-2013. Paratypes (MZB, SMNK): C-Sulawesi Prov.: 4 exx, ARC3125 (EMBL # LN884959), ARC3127 (GenBank # MK260421), same data as holotype; 2 exx, ARC6069 (EMBL # MK260420), ARC6070 (EMBL # MK260423), Pendolo, Gn. Sampuraga, 02°15.407'S 120°47.051'E, 1406 m, beaten, 31-V-2012.
Distribution
C-Sulawesi Prov. (Pendolo). Elevation ca. 1410 m.
Biology
On foliage in montane forests.
Etymology
This epithet is an adjectival combination of the Latin adjective ovalis, -e (ovate) and the participle punctatus (punctate). It refers to the peculiar shape of punctures on the pronotum.
Notes
Trigonopterus ovalipunctatus Riedel, sp. n. was coded as “Trigonopterus sp. 476”.
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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