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Holotype, male (Fig. 41a). Length 2.63 mm. Color of antennae and tarsi ferruginous; remainder black. Body subovate; in profile dorsally convex. Rostrum dorsally with median carina and pair of submedian ridges; intervening furrows with sparse rows of elongate suberect scales. Pronotum with disk punctate with minute punctures; interspaces between punctures subglabrous. Elytra irregularly punctate with minute punctures; basal margin bordered by transverse row of deeper punctures, continuing laterad along humerus; stria 8 near humerus with five large punctures. Femora edentate. Meso- and metafemur with anteroventral ridge crenate. Metafemur with anterior surface coarsely punctate, reticulate, each puncture with elongate silvery scale; with dorsoposterior edge denticulate; subapically with stridulatory patch. Metatibia with dorsal edge in apical 1/3 forming denticle, subapically with dorsal contour concave. Abdominal ventrites 1–2 concave, subglabrous; ventrite 5 with broad transverse ovate depression, punctate. Penis (Fig. 41b) with sides converging in basal 1/2, anteriorly subparallel; apex with subangulate extension, with sparse setae; apodemes 2.1 × as long as body of penis; transfer apparatus spiniform, directed basad in repose, attached to anchor-shaped supporting sclerite; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.53–2.70 mm. Female rostrum slender, dorsally subglabrous, with two submedian rows of punctures, with pair of sublateral furrows. Female abdominal ventrite 5 flat, punctate, with sparse erect scales.
Holotype (MZB): ARC3147 (GenBank # MK260510), SE-Sulawesi Prov., Kendari, road from Wawotobi to Lasolo, 03°44.142'S 122°13.670'E, 482 m, beaten, 17-IV-2013. Paratypes (MZB, SMNK): SE-Sulawesi Prov.: 5 exx, ARC3148 (GenBank # MK260511), ARC3149 (GenBank # MK260512), ARC3153 (GenBank # MK260513), ARC3154 (GenBank # MK260508), same data as holotype; 5 exx, Kendari, road from Wawotobi to Lasolo, 03°46.422'S 122°12.576'E, 334 m, beaten, 17-IV-2013; 2 exx, Kendari, road from Wawotobi to Lasolo, 03°45.086'S 122°12.976'E, 339 m, beaten, 17-IV-2013; 21 exx, ARC3156 (GenBank # MK260509), ARC3157 (GenBank # MK260505), ARC3158 (GenBank # MK260515), Kolaka, km 28 on Kendari-road, Mowewe village, beaten, 04°01.063'S 121°44.485'E to 04°01.298'S 121°44.873'E, 312–481 m, 19-IV-2013; 3 exx, ARC3168 (GenBank # MK260507), ARC3169 (GenBank # MK260506), Kolaka, km 45 on Kendari-road, Talodo village, beaten, 04°00.686'S 121°50.198'E to 04°00.673'S 121°49.869'E, 450–565 m, 20-IV-2013; 3 exx, ARC3183 (EMBL # LN884971), ARC3184 (GenBank # MK260514), N Kolaka, Uluwolo village, 03°48.073'S 121°16.856'E, 100–200 m, beaten, 21-IV-2013.
SE-Sulawesi Prov. (Kendari, Kolaka). Elevation 200–480 m.
On foliage in lowland forests.
This epithet is the Latin adjective laevigatus, -a, -um (smooth, slippery).
Trigonopterus laevigatus Riedel, sp. n. was coded as “Trigonopterus sp. 501”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi