Trigonopterus satyrus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus satyrus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 84a). Length 2.24 mm. Color of antennae and legs ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with somewhat flattened median costa and pair of submedian costae; intervening furrows with sparse rows of recumbent setae; apical 1/3 subglabrous, with few punctures and with sparse setae. Pronotum with disk densely punctate with coarse punctures except along impunctate median line; interspaces between punctures subglabrous, microreticulate, subequal to or smaller than punctures´ diameter. Elytra with striae marked by punctures and fine hairlines; basal margin bordered by transverse row; intervals flat, microreticulate, with few interspersed punctures. Femora edentate; anteroventral ridges simple. Metafemur dorsally with sparse, recumbent, silvery scales; dorsoposterior edge simple; subapically with stridulatory patch. Metatibia ventrally with sparse row of setae. Abdominal ventrites 1–2 concave, subglabrous, sparsely punctate; ventrite 5 at middle with distinct, broadly ovate impression, densely punctate. Penis (Fig. 84b) with sides of body subparallel; apex subtruncate, with median angulate extension, with sparse setae; apodemes 1.8 × as long as body of penis; transfer apparatus spiniform, directed basad in repose, attached to anchor-shaped supporting sclerite; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.24–2.56 mm. Female rostrum slender, subglabrous, with two submedian rows of punctures, with pair of sublateral furrows.
Material examined
Holotype (MZB): ARC3055 (EMBL # LN884955), S-Sulawesi Prov., Tanah Toraja, Bittuang, Gn. Karoa, 02°55.270'S 119°40.179'E to 02°55.032'S 119°40.365'E, 1800–2000 m, beaten, 10-V-2013. Paratype (SMNK): 1 ex, ARC3056 (GenBank # MK260542), same data as holotype.
Distribution
S-Sulawesi Prov. (Tanah Toraja). Elevation ca. 1800–2000 m.
Biology
On foliage in montane forests.
Etymology
This epithet is the name of Satyrus, a forest-god of the train of Bacchus. It is treated as a noun in apposition.
Notes
Trigonopterus satyrus Riedel, sp. n. was coded as “Trigonopterus sp. 516”.
Original Description
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi
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