One hundred and three new species of Trigonopterus weevils from Sulawesi Author Riedel, Alexander Author Narakusumo, Raden Pramesa text ZooKeys 2019 828 1 153 http://dx.doi.org/10.3897/zookeys.828.32200 journal article http://dx.doi.org/10.3897/zookeys.828.32200 1313-2970-828-1 2A63A74D8B304C83AB747BAF6AF6984E 2A63A74D8B304C83AB747BAF6AF6984E 83. Trigonopterus sampuragensis Riedel sp. n. Diagnostic description. 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 x as long as body of penis; transfer apparatus supported by lyriform sclerite; ductus ejaculatorius without bulbus. Intraspecific variation. Length 3.22-3.44 mm. Material examined. 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. Distribution. C-Sulawesi Prov. (Pendolo). Elevation 1010-1050 m. Biology. On foliage in montane forests. Etymology. This epithet is a Latinized adjective based on the type locality. Notes. Trigonopterus sampuragensis Riedel, sp. n. was coded as " Trigonopterus sp. 417".