Trigonopterus corona
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus corona Narakusumo & Riedel, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype. Male (Fig. 4a). Length 3.31 mm. Color of antennae, tarsi and elytra ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with median ridge and indistinct pair of submedian ridges, separated by rows of coarse punctures; epistome indistinct, subglabrous. Pronotum with disk densely punctate with coarse punctures; almost reticulate, interspaces subglabrous. Elytra ferruginous, apex darkened; striae marked by rows of larger punctures; intervals with rows of smaller punctures; stria 8 along humerus with six coarse punctures, externally bordered by indistinct ridge. Femora edentate, anteroventral ridge simple, crenulate; anterior surface densely coarsely punctate. Metafemur dorsally with sparse, subrecumbent, silvery scales; dorsoposterior edge simple; subapically with stridulatory patch. Metatibia in apical 1/3 ventrally with rounded, blade-like extension, with sparse, long setae. Abdominal ventrites 1–2 concave, sparsely punctate with coarse punctures, each puncture with one suberect silvery scale; ventrite 5 densely coarsely punctate, with suberect silvery scales, with shallow median impression. Penis (Fig. 4b) with sides basally subparallel, near middle angulate, weakly converging; apex with median extension, with sparse setae; apodemes 2.3× as long as body; transfer apparatus flagelliform, ca. 3.4× as long as body of penis, subequal total length of penis; ductus ejaculatorius basally sclerotized, with indistinct bulbus.
Material examined
Holotype (MZB, Cole.173.057): MZB0181 (GenBank OK481869), Indonesia, C-Sulawesi, Toli-Toli, Gn. Dako, 01°03.174'N, 120°55.272'E to 01°03.389'N, 120°55.524'E, 1800–1900 m, 10-VII-2018, beaten.
Distribution
C-Sulawesi Prov. (Mt Dako). Elevation ca. 1100–1200 m.
Biology
On foliage in montane forest.
Etymology
This epithet refers to the Corona virus (Sars-Cov2). The global pandemic led to the cancellation of field work, and a focus on this and other manuscripts. It is a noun in apposition.
Notes
Trigonopterus corona sp. nov. was coded as “Trigonopterus sp. 1235”. This species belongs to the T. fulvicornis-group and is related to T. seticnemis Riedel, from which it can be easily distinguished by the ferruginous elytra.
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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