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Holotype (Fig. 14a). Length 2.98 mm. Color black, elytra orange-ferruginous. Body subovate, almost without constriction between pronotum and elytron; in profile evenly convex. Rostrum dorsally sparsely punctate, with pair of shallow sublateral furrows containing sparse rows of mesad-directed scales. Eyes with dorsal margin weakly carinate, bordered by furrow. Forehead with sparse minute punctures. Pronotum with disk subglabrous, with minute punctures; sides above coxa with scattered coarse punctures; base medially weakly extended towards elytral suture. Elytra subglabrous; along base and humeri with sparse row of large, shallow punctures; apex with scattered shallow punctures. Legs. Femora weakly microreticulate, with small punctures. Metafemur dorsally with elongate patch of dense silvery scales; posterior surface with pair of longitudinal furrows containing rows of indistinct scales parallel to ventral and dorsal edge; dorsoposterior edge indistinct. Mesotibia apically with uncus and larger premucro approximate at base, not fused, widely diverging. Metatibia apically with uncus and angular premucro. Abdominal ventrite 2 swollen, with posterior edge projecting, medially forming common cavity with ventrite 1; ventrite 5 weakly concave, subglabrous, dull, with sparse minute punctures. Penis (Fig. 14b) with sides of body subparallel, weakly concave; apex with median triangular extension confluent with outline of apex; transfer apparatus short, spiniform, apically bordered by pair of P-shaped sclerites; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.46–2.98 mm. Female rostrum dorsally subglabrous, densely punctate with small punctures. Mesotibia apically with large uncus and much smaller premucro. Female abdominal ventrites 1 and 2 medially flat; female abdominal ventrite 5 flat.
Holotype (QMBA): ARC3702 (EMBL # LN888184), Queensland, Mt. Finnigan, ascent from Shiptons Flat, S15°49.043', E145°16.780', 1055 m, 28-IV-2014. Paratypes (QMBA, SMNK): 3 exx, ARC3703 (EMBL # LN888185), ARC3704 (EMBL # LN888186), ARC3705 (EMBL # LN888187), same data as holotype; 2 exx, 3.5 km NNE Mt. Spurgeon, 16°24', S 145°13', E, 16-X-1991, Pyrethrum, trees & rocks; 2 exx, Mt. Finnigan Summit, via Helenvale, 03-05-XII-1990, 1050 m.
Queensland (Mt. Finnigan, Mt. Spurgeon).
Beaten from foliage of montane sclerophyll shrubland.
This epithet is an adjective based on the name of the type locality, Mt. Finnigan.
Trigonopterus finniganensis Riedel, sp. n. was coded as “Trigonopterus sp. 565”.
- Riedel, A; Tänzler, R; 2016: Revision of the Australian species of the weevil genus Trigonopterus Fauvel ZooKeys, (556): 97-162. doi