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Holotype, male (Fig. 34a). Length 2.12 mm. Color of antennae and tarsi ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with median and pair of submedian ridges becoming less distinct and replaced by coarse punctures anteriorly; epistome posteriorly with transverse ridge. Pronotum with disk densely punctate with coarse punctures; interspaces between punctures subglabrous, subequal to punctures´ diameter. Elytra with striae marked by small punctures; basal margin bordered by transverse row of deeper punctures joining stria 8; along humerus row of coarse punctures externally bordered by costa; in basal 1/2 suture bordered by row of small punctures; intervals subglabrous. Mesosternal receptacle ventrally with sparse golden scales. Anteroventral ridge of mesofemur and metafemur ending with blunt tooth. Metafemur with dorsoposterior edge denticulate; subapically with stridulatory patch. Abdominal ventrite 1 subglabrous, medially flat behind metacoxa convex; ventrite 2 costate; ventrite 5 flat, subglabrous. Penis (Fig. 34b) with sides of body subparallel; apex subtruncate with short median subacute extension; apodemes 2.8 × as long as body of penis; transfer apparatus complex, partly membranous; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.10–2.20 mm. Female rostrum slender, dorsally subglabrous, sublaterally punctate and with pair of indistinct furrows.
Holotype (MZB): ARC2767 (GenBank # MK260264), N-Sulawesi Prov., Tomohon, Rurukan, Gn. Mahawu, 01°21.697'N 124°51.885'E, 1176 m, sifted, 14-V-2012. Paratypes (ARC, MZB, SMNK, ZSM): N-Sulawesi Prov: 13 exx, ARC2768 (GenBank # MK260261), ARC2769 (GenBank # MK260263), same data as holotype; 2 exx, ARC6046 (GenBank # MK260267), ARC6047 (GenBank # MK260265), Tomohon, Rurukan, Gn. Mahawu, 01°21.409'N 124°51.535'E, 1166 m, 14-V-2012, sifted; 16 exx, Tomohon, Rurukan, Gn. Mahawu, 1200 m, 30-XI-1999, sifted; 7 exx, Tomohon, Rurukan, Gn. Mahawu, 01°21.409'N 124°51.535'E, 1126 m, 14-V-2012; 5 exx, Gn. Mahawu, Tomohon, 01°20.951'N 124°52.207'E, 1230 m, 14-V-2012, sifted; 13 exx, Gn. Mahawu, Tomohon, 01°20.791'N 124°52.268'E, 1230 m, sifted, 14-V-2012; 15 exx, Gn. Mahawu, Tomohon, 01°20.844'N 124°52.253'E, 1209 m, sifted, 15-V-2012; 12 exx, Gn. Mahawu, Tomohon, 01°20.819'N 124°52.194'E,1278 m, sifted, 15-V-2012; 4 exx, Gn. Mahawu, Tomohon, 01°20.751'N 124°52.129'E, 1305 m, sifted, 15-V-2012; 2 exx, ARC2919 (GenBank # MK260262), ARC2920 (GenBank # MK260266), Kotamobagu, Modoinding, Kakenturan, 00°47.053'N 124°30.413'E, 1228 m, sifted, 19-V-2012.
N-Sulawesi Prov. (Tomohon, Modoinding). Elevation 1170–1305 m.
In leaf litter of montane forest.
This epithet is the Latin adjective indigenus, -a, -um (native).
Trigonopterus indigenus Riedel, sp. n. was coded as “Trigonopterus sp. 389”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi