Trigonopterus procurtus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus procurtus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 66a). Length 1.78 mm. Color of antennae ferruginous; legs and rostrum dark ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction, in profile with distinct constriction between pronotum and elytron. Rostrum long; at level of antennal insertion with shallow lateral constriction, dorsally with median ridge; dorsolaterally with rows of erect yellow scales; epistome simple, subglabrous. Pronotum with distinct subapical constriction bordered by row of yellowish scales; disk with scattered coarse punctures and recumbent yellowish scales; interspaces microreticulate, dull. Elytra sparsely punctate with small punctures, with sparse yellowish or white recumbent scales; interspaces microreticulate, dull; striae indistinct, some obsolete. Femora with indistinct anteroventral ridge ending with indistinct blunt tooth. Metafemur subbasally curved, dorsally rounded, subapically without stridulatory patch. Dorsal edge of tibiae irregularly microdenticulate. Abdominal ventrite 1 concave, subglabrous, sparsely punctate, with few scattered piliform scales; ventrite 5 flat, subapically with weak depression, subglabrous. Penis (Fig. 66b) with sides of body weakly converging to subangulate apex, with sparse thin setae; apodemes 1.8 × as long as body of penis; transfer apparatus flagelliform, 1.4 × longer than body of penis; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.78–1.79 mm.
Material examined
Holotype (MZB): ARC2892 (GenBank # MK260392), N-Sulawesi Prov., Kotamobagu, Modoinding, Lake Moat area, 00°42.862'N 124°28.356'E, 1024 m, sifted, 19-V-2012. Paratype (SMNK): 1 ex, ARC2893 (GenBank # MK260391), same data as holotype.
Distribution
N-Sulawesi Prov. (Lake Moat area). Elevation ca. 1020 m.
Biology
In leaf litter of montane forest.
Etymology
This epithet is a combination of the Latin prefix pro- (before) and the name of Trigonopterus curtus (Voss). Presumably, this species represents an early offshoot from the Trigonopterus curtus-species-group. A variable adjective.
Notes
Trigonopterus procurtus Riedel, sp. n. was coded as “Trigonopterus sp. 420”.
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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