Trigonopterus mossmanensis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus mossmanensis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype (Fig. 24a). Length 1.92 mm. Color ferruginous. Body subovate, with weak constriction between pronotum and elytron; in profile convex. Rostrum with 4 rows of coarse punctures each containing one mesad directed seta; without distinct ridges; base gently projecting from profile; epistome indistinct. Forehead coarsely punctate. Pronotum with indistinct subapical constriction; disk coarsely punctate; punctures each containing one inconspicuous seta, very few with yellow recumbent scales instead. Elytra with striae deeply incised; intervals costate, punctate, with scattered recumbent scales; sutural interval narrow and weakly convex, below level of interval 2; base markedly bisinuate. Legs. Femora densely punctate. Profemur with subbasal callus anteriorly projecting. Tibiae subbasally with dorsal angulation; uncus of protibia slender, hook-shaped, basally continued with ventral tibial outline, markedly curved ventrad towards apex. Abdominal ventrites 1 laterally swollen, medially concave; abdominal ventrite 2 swollen; ventrite 5 microgranulate, weakly concave. Penis (Fig. 24b) with sides of body converging, apex subtruncate; transfer apparatus flagelliform, ca. 1.8× longer than body of penis; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.92–2.11 mm. Color ferruginous or black with only legs and head ferruginous. Female rostrum dorsally somewhat flattened; with median costa and pair of submedian costae; epistome simple. Female abdominal ventrites 1-2 medially flat; ventrite 5 coarsely punctate.
Material examined
Holotype (QMBA): ARC3896 (PCR failed), Queensland, Mossman Bluff Track, 5-10 km W Mossman, site 6, 860m, flt. Intercept, 16-30-XII-1988. Paratype (QMBA) 1 ex, Mossman Bluff Track, 5-10 km W Mossman, site 7, 1000 m, pitfall, 16-30-XII-1988.
Distribution
Queensland: Mossman Bluff.
Biology
Sifted from leaf litter in primary forest.
Etymology
This epithet is an adjective based on the name of the type locality, Mossman.
Original Description
- Riedel, A; Tänzler, R; 2016: Revision of the Australian species of the weevil genus Trigonopterus Fauvel ZooKeys, (556): 97-162. doi
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