Trigonopterus mons
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus mons Narakusumo & Riedel, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype. Male (Fig. 14a). Length 2.81 mm. Color of antennae and legs ferruginous; elytra dark ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with flattened median costa and pair of submedian costae; intervening furrows with coarse punctures and suberect setae; apical 1/3 subglabrous, with suberect setae; epistome indistinct. Pronotum with disk densely punctate with coarse punctures; interspaces between punctures subglabrous; laterally in basal 1/3 subglabrous. Elytra with striae marked by punctures and fine hairlines; intervals subglabrous, with interspersed punctures. Femora edentate; anteroventral ridges simple. Metafemur with dorsoposterior edge simple; subapically with stridulatory patch. Abdominal ventrites 1–2 concave, medially subglabrous, laterally microreticulate, with coarse punctures; ventrite 5 with subquadrate pit, subglabrous, weakly microreticulate, subapically with short median carina; laterally punctate. Penis (Fig. 14b) with sides of body subparallel; apex subtruncate, with median triangular extension, with sparse long setae; apodemes 2.4× as long as body of penis; transfer apparatus flagelliform, looping apicad; support structures elongate lyriform; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.44–3.13 mm. Female rostrum more slender, subglabrous, with rows of punctures. Female ventrites 1–2 weakly concave. Female ventrite 5 flat, subglabrous, with sparse punctures.
Material examined
Holotype (MZB, Cole.173.067): Indonesia, C-Sulawesi, Toli-Toli, Gn. Dako, MZB0162 (GenBank OK481876), 01°03.181'N, 120°54.607'E to 01°02.977'N, 120°55.001'E, 1400–1750 m, 07-VII-2018, beaten. Paratypes (MZB, SMNK): Indonesia, C-Sulawesi, Toli-Toli, Gn. Dako: 3 exx, 01°03.782'N, 120°53.934'E to 01°02.977'N, 120°55.001'E, 1250–1750 m, 11-VII-2018, beaten; 13 exx, MZB0078 (GenBank OK481939), 01°03.389'N, 120°55.524'E to 01°03.567'N, 120°56.032'E, 1900–2200 m, 10-VII-2018, beaten; 16 exx, MZB0081 (GenBank OK481936), MZB0189 (GenBank OK481861), 01°03.174'N, 120°55.272'E to 01°03.389'N, 120°55.524'E, 1800–1900 m, 10-VII-2018, beaten; 16 exx, MZB0083 (GenBank OK481934), MZB0084 (GenBank OK481933), 01°02.977'N, 120°55.001'E to 01°03.210'N, 120°55.297'E, 1700–1800 m, 10-VII-2018, beaten; 5 exx, MZB0163 (GenBank OK481875), same as holotype.
Distribution
C-Sulawesi Prov. (Mt Dako). Elevation 1700–1900 m.
Biology
On foliage in montane forest.
Etymology
This epithet is the Latin noun mons (mountain) in apposition.
Notes
Trigonopterus mons sp. nov. was coded as “Trigonopterus sp. 1195”. It belongs to the T. satyrus-group and is closely related to T. gundala sp. nov., which differs by the deeply striate elytra and a 8.2–8.7% 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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