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Holotype, male (Fig. 83a). Length 3.22 mm. Color of antennae ferruginous; tarsi dark ferruginous; remainder black. Body subovate; in dorsal aspect with indistinct constriction between pronotum and elytron; in profile dorsally convex. Rostrum in basal 1/2 dorsally with glabrous median carina and pair of submedian ridges; at level of antennal insertion median carina abruptly terminated by bottom of cup-shaped ridge; with sparse suberect yellowish scales; epistome sparsely punctate, posteriorly with pair of sublateral and pair of submedian denticles. Pronotum with disk densely punctate with small punctures; interspaces between punctures subglabrous. Elytra irregularly punctate with small punctures; striae hardly visible; stria 8 near humerus with larger punctures. Femora with anteroventral ridge terminating with acute tooth, in meso- and metafemur anteroventral ridge crenate; anterior surface of femora coarsely punctate, each puncture with recumbent silvery scale. Metafemur with dorsoposterior edge simple, without denticles; subapically with stridulatory patch. Abdominal ventrites 1–2 concave, subglabrous; ventrite 5 at middle with distinct depression, concave, sparsely punctate, sublaterally densely punctate. Penis (Fig. 83b) with sides of body subparallel, apex rounded, without setae; apodemes 1.9 × as long as body of penis; transfer apparatus supported by lyriform sclerite; ductus ejaculatorius without bulbus. Intraspecific variation. Length 3.22–3.44 mm.
Holotype (MZB): ARC2847 (EMBL # LN884936), C-Sulawesi Prov., Pendolo, Gn. Sampuraga, 02°12.476'S 120°45.506'E, 1050 m, beaten, 31-V-2012. Paratypes (MZB, SMNK): C-Sulawesi Prov.: 4 exx, ARC3112 (GenBank # MK260376), ARC3113 (GenBank # MK260377), Pendolo, Gn. Sampuraga, 02°12.165'S 120°45.567'E to 02°12.308'S 120°45.544'E, 934–1011 m, beaten, 13-V-2013.
C-Sulawesi Prov. (Pendolo). Elevation 1010–1050 m.
On foliage in montane forests.
This epithet is a Latinized adjective based on the type locality.
Trigonopterus sampuragensis Riedel, sp. n. was coded as “Trigonopterus sp. 417”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi