Trigonopterus sarinoi
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus sarinoi Narakusumo & Riedel, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype. Male (Fig. 21a). Length 2.40 mm. Color of antennae and elytral base ferruginous; legs dark ferruginous; head, thorax and elytral sides black. Body subovate; in dorsal aspect with distinct constriction between pronotum and elytron; in profile dorsally convex. Rostrum at base dorsally swollen, markedly bent ventrad; with lateral flanges in front of eyes; dorsally with distinct median carina and pair of submedian ridges; intervening furrows each with row of erect, clavate scales; epistome indistinct. Pronotum with distinct subapical constriction; disk densely punctate; interspaces subglabrous; with subglabrous median costa; in apical half with erect, clavate scales. Elytra irregularly punctate; striae indistinct; interspaces subglabrous; some punctures with suberect, piliform to subclavate scale, in some areas missing or abraded. Meso- and metafemur with anteroventral ridge crenate, ending with small tooth; anterior surface coarsely punctate-reticulate, with erect subclavate scales. Metafemur with dorsoposterior edge serrate; subapically with stridulatory patch. Metatibia with dorsal edge serrate. Abdominal ventrites 1–2 concave, subglabrous, with few scattered erect scales; ventrite 5 almost flat, with broad shallow impression, microreticulate, with sparse suberect scales. Penis (Fig. 21b) with sides of body diverging; apex medially with subangular extension, without setae; apodemes 2.0× as long as body of penis; transfer apparatus flagelliform, forming a full coil, basally held by lyriform sclerite; ductus ejaculatorius with indistinct bulbus.
Material examined
Holotype (MZB, Cole.173.074): MZB0106 (GenBank OK481913), Indonesia, C-Sulawesi, Sigi, Kolagi, Namu, Gn. Torompupu, 01°24.637'S, 119°57.597'E, 800 m, 15–27-XI-2017, sifted. Right thorax and elytron cracked, right mid- and hind leg glued separately to card.
Distribution
C-Sulawesi Prov. (Gn. Torompupu). Elevation ca. 800 m.
Biology
In leaf litter.
Etymology
This species is named in honor of Sarino, technician working at the Coleoptera collection of LIPI-MZB. An invariable genitive.
Notes
Trigonopterus sarinoi sp. nov. was coded as “Trigonopterus sp. 1208”. This species belongs to the T. lampros-group. It is closely related to T. yoda Riedel, which differs by its black-bronze elytral color and a 19.3% 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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