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Holotype, male (Fig. 90a). Length 2.79 mm. Color of antennae and legs ferruginous; remainder black. Body subovate; in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum dorsally with median and pair of submedian costae; intervening furrows with sparse rows of suberect scales; epistome indistinct. Pronotum with disk densely punctate with small punctures; interspaces between punctures subglabrous; median line glabrous. Elytra with striae marked by small punctures; intervals flat, with similar rows of slightly smaller punctures; stria 8 along humerus with short row of six coarse punctures, externally bordered by costa. Femora edentate. Meso- and metafemur with anteroventral ridge crenate. Metafemur dorsally punctate, with recumbent, silvery scales; subapically with stridulatory patch. Metatibia ventrally with sparse row of long setae. Abdominal ventrites 1–2 concave, subglabrous, with sparse coarse punctures each containing a scale; ventrite 5 with median, subglabrous, sparsely punctate impression, sublaterally weakly swollen, coarsely punctate, with sparse scales. Penis (Fig. 90b) with sides of body subparallel; apex subangulate, nude; apodemes 1.8 × as long as body of penis; transfer apparatus flagelliform, 2.0 × longer than body of penis, subapically held by lyriform supporting sclerite; ductus ejaculatorius with indistinct bulbus.
Holotype (MZB): ARC2998 (GenBank # MK260528), S-Sulawesi Prov., Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.021'S 120°02.523'E, 1456 m, beaten, 06-V-2013.
S-Sulawesi Prov. (Tanah Toraja). Elevation ca. 1460 m.
On foliage in montane forests.
This epithet is a combination of the Latin nouns seta (bristle) and Greek Latinized noun cnemis (greave) and refers to the species´ metatibia.
Trigonopterus seticnemis Riedel, sp. n. was coded as “Trigonopterus sp. 508”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi