Trigonopterus ampanensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus ampanensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 5a). Length 2.95 mm. Color of antennae and tarsi ferruginous; legs dark ferruginous; remainder black. Body subrhomboid; in dorsal aspect with very weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with median and pair of submedian carinae; intervening furrows with rows of subrecumbent silvery scales; epistome indistinct, somewhat polished, sparsely setose. Pronotum with disk densely punctate; interspaces between punctures subglabrous, subequal to punctures´ diameter; each puncture with fine, recumbent seta; median line impunctate; laterally with weak subapical constriction, anteriorly with sparse subclavate scales. Elytra irregularly punctate with small punctures; interspaces subglabrous; striae 2–6 marked by fine hairlines. Femora edentate; anteroventral ridge of mesofemur and metafemur crenate; anterior surface coarsely punctate-reticulate, each puncture with subrecumbent narrow scale. Metafemur dorsally with 2–3 rows of suberect silvery scales; dorsoposterior edge denticulate; subapically with stridulatory patch. Metatibia subapically with weak dorsal constriction. Abdominal ventrites 1–2 concave, sublaterally with erect silvery scales; ventrite 5 flat, punctate. Penis (Fig. 5b) with sides diverging, body with lateral flanges; apex subangulate, without setae; apodemes 2.8 × as long as body of penis; transfer apparatus spiniform, directed basad in repose, subequal in length to body of penis; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.73–3.03 mm. Female rostrum slender, dorsally subglabrous, with submedian row of punctures and sublateral furrows.
Material examined
Holotype (MZB): ARC3256 (GenBank # MK260561), C-Sulawesi Prov., Ampana, Bongka, Mire, 01°08.399'S 121°26.545'E to 01°08.202'S 121°26.673'E, 400–450 m, beaten, 19-V-2013. Paratypes (MZB, SMNK): C-Sulawesi Prov., Ampana: 39 exx, ARC3257 (GenBank # MK260562), ARC3258 (GenBank # MK260564), same data as holotype; 2 exx, Mire, Bongka, 01°08.399'S 121°26.545'E, 426 m, sifted, 19-V-2013; 22 exx, ARC3236 (GenBank # MK260563), ARC3237 (GenBank # MK260559), ARC3238 (GenBank # MK260560), Tanjung Api, 00°49.855'S 121°36.493'E to 00°49.687'S 121°36.560'E, 130–166 m, 18-V-2013.
Distribution
S-Sulawesi Prov. (Ampana). Elevation 160–430 m.
Biology
On foliage in lowland forests.
Etymology
This epithet is a Latinized adjective based on the town of Ampana.
Notes
Trigonopterus ampanensis Riedel, sp. n. was coded as “Trigonopterus sp. 523”.
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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