Trigonopterus katopasensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus katopasensis Narakusumo & Riedel, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype. Male (Fig. 11a). Length 2.35 mm. Color of antennae and apical tarsomeres 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 carinae; intervening furrows with sparse rows of subrecumbent setae; epistome indistinct, subglabrous, subapically with sparse suberect setae. Pronotum with disk sparsely punctate with small punctures; interspaces subglabrous. Elytra sparsely punctate with irregular, minute punctures; interspaces subglabrous; striae indistinct; along basal margin with slightly denser row. Femora with anteroventral ridge crenulate; anterior surface microreticulate, dorsally and especially subapically coarsely punctate. Metafemur with dorsoposterior edge indistinct; subapically with stridulatory patch. Metatibia in apical half ventrally with sparse row of long, stiff setae; dorsal contour in apical third weakly emarginate. Abdominal ventrites 1–2 concave, subglabrous; ventrite 5 microreticulate, with subquadrate pit, bordered by subparallel lateral ridges. Penis (Fig. 11b) with sides of body subparallel; apex symmetrical, with angulate extension; with few setae; apodemes 2.2× as long as body of penis; transfer apparatus complex; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 1.98–2.68 mm. Female rostrum subglabrous, with distinct furrows, costae indistinct. Female abdominal ventrites 1–2 less concave; ventrite 5 flat.
Material examined
Holotype (MZB, Cole.173.064): MZB0108 (GenBank OK481912) Indonesia, C-Sulawesi, Tojo Una-Una, Ulubongka, Mire, Gn. Katopasa, 01°11.31'S, 121°27.348'E, 1380 m, 23–24-VII-2017, beaten. Paratype (MZB, SMNK): 27 exx, MZB0109 (GenBank OK481911) same data as holotype.
Distribution
C-Sulawesi Prov. (Mt Katopasa). Elevation ca. 1380 m.
Biology
On foliage in montane forest.
Etymology
This epithet is a Latinized adjective based on Mt Katopasa.
Notes
Trigonopterus katopasensis sp. nov. was coded as “Trigonopterus sp. 1190”. This species presumably belongs to the T. barbipes-group. From T. barbipes Riedel it differs by less distinct body sculpture, the structure of the penis, and a 18.5% cox1 p-distance.
Original Description
- Narakusumo, R; Riedel, A; 2021: Twenty-eight new species of Trigonopterus Fauvel (Coleoptera, Curculionidae) from Central Sulawesi ZooKeys, 1065: 29-79. doi
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