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Holotype, male (Fig. 63a). Length 2.85 mm. Color of antennae and legs ferruginous; remainder black. Body elongate; in dorsal aspect with distinct constriction between pronotum and elytron; in profile dorsally flat. Rostrum dorsally with median ridge and pair of submedian ridges; intervening furrows with rows of erect setae, towards base with elongate scales; epistome short, posteriorly with transverse angulate ridge, with median denticle. Pronotum with disk subquadrate, abruptly rounded to weak subapical constriction; densely punctate; each puncture with fine, recumbent seta; interspaces between punctures subglabrous. Elytra densely irregularly punctate; some striae marked by fine hairlines; apex subtruncate; apex and base with sparse scales. Foreleg relatively long. Femora with small, acute tooth; anteroventral ridges of meso- and metafemur crenate; anterior surface coarsely punctate, reticulate, each puncture with long subclavate scale. Metafemur subapically with stridulatory patch. Dorsal edge of tibiae subbasally with tooth. Abdominal ventrites 1–2 concave, microreticulate, with sparse punctures bearing erect elongate scales; ventrite 5 with shallow median depression, coarsely punctate, with sparse erect scales. Penis (Fig. 63b) with sides of body subparallel; converging to sparsely setose, rounded apex; in profile with apex markedly curved ventrad; apodemes 2.5 × as long as body of penis; transfer apparatus short flagelliform, 0.5 × as long as body of penis; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.23–2.85 mm. Female rostrum more slender, epistome indistinct. Female foreleg shorter. Female abdominal ventrite 5 flat.
Holotype (MZB): ARC3132 (EMBL # LN884961), C-Sulawesi Prov., Pendolo, Boe, 02°05.405'S 120°38.551'E, 857 m, sifted, 15-V-2013. Paratypes (ARC, MZB, SMNK): C-Sulawesi Prov.: 21 exx, ARC3133 (GenBank # MK260487), ARC3134 (GenBank # MK260485), ARC6035 (GenBank # MK260484), ARC6036 (GenBank # MK260486), same data as holotype; 1 ex, Pendolo, Boe, 21-VIII-1990, sifted.
C-Sulawesi Prov. (Pendolo). Elevation ca. 860 m.
In leaf litter of montane forest.
This epithet is a Latinized adjective based on the type locality.
Trigonopterus pendolensis Riedel, sp. n. was coded as “Trigonopterus sp. 495”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi