Trigonopterus pauper
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus pauper Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 62a). Length 1.94 mm. Color of antennae light ferruginous; legs and head dark ferruginous; remainder black. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum dorsally coarsely punctate-rugose, with distinct median ridge; with sparse rows of suberect setae; epistome indistinct, subglabrous. Pronotum with weak subapical constriction; disk coarsely punctate, interspaces reticulate; each puncture with erect, slender, curved scale. Elytra with striae deeply impressed; each puncture with erect, slender, curved scale; intervals costate, subglabrous. Meso- and metafemur with small tooth, profemur edentate. Metafemur subapically without stridulatory patch. Abdominal ventrite 5 flat, microreticulate, sparsely setose. Penis (Fig. 62b) hardly asymmetrical; tip medially weakly extended; basal orifice ventrally simple; apodemes shorter than body of penis (0.7 ×); ductus ejaculatorius with distinct bulbus. Intraspecific variation. Length 1.68–2.18 mm. Color as in holotype, or darker, with only antenna and tarsi ferruginous, remainder black. Female rostrum dorsally in apical 1/2 subglabrous, densely punctate; epistome simple.
Material examined
Holotype (MZB): ARC2771 (GenBank # MK260400), N-Sulawesi Prov., Tomohon, Rurukan, Gn. Mahawu, 01°21.409'N 124°51.535'E, 1126 m, 14-V-2012. Paratypes (MZB, SMNK, ZSM): N-Sulawesi: 2 exx, ARC2777 (GenBank # MK260394), ARC2778 (GenBank # MK260395), Airmadidi, Gn. Klabat, 01°26.505'N 125°00.636'E, 923 m, 16-V-2012, sifted; 12 exx, ARC6056 (GenBank # MK260399), ARC6057 (GenBank # MK260401), Airmadidi, Gn. Klabat, 01°26.430’ N 125°00.622'E, 889 m, sifted, 17-V-2012; 1 ex, Airmadidi, Gn. Klabat, 01°26.619'N 125°00.805'E, 1018 m, sifted, 17-V-2012; 7 exx, ARC2781 (GenBank # MK260396), ARC2782 (GenBank # MK260397), ARC2783 (GenBank # MK260398), Airmadidi, Gn. Klabat, 01°26.635'N 125°00.823'E, 1031 m, 16-V-2012, sifted; 5 exx, ARC0323 (EMBL # LN884929), ARC0324 (GenBank # MK260402), ARC0325 (GenBank # MK260403), ARC0326 (EMBL # HG939575), Bitung, Gn. Dua Saudara, 01°29.417'N 125°09.150'E, 950 m, 24-VI-2006, sifted; 3 exx, ARC0350 (GenBank # MK260404), Bitung, Gn. Dua Saudara, 750 m, 24-VI-2006, sifted.
Distribution
N-Sulawesi Prov. (Tomohon, Gn. Klabat, Bitung). Elevation 750–1130 m.
Biology
In leaf litter of montane forest.
Etymology
This epithet is the Latin noun pauper (poor man).
Notes
Trigonopterus pauper Riedel, sp. n. was coded as “Trigonopterus sp. 427”.
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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