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Holotype (Fig. 21a). Length 3.03 mm. Color ferruginous. Body elongate-subovate, with distinct constriction between pronotum and elytron; in profile convex. Rostrum with median ridge and pair of submedian ridges ending in apical third; intervening furrows with rows of coarse punctures each containing one mesad directed narrow ochre scale; base dorsally protruding, projecting from profile subangularly; epistome posteriorly with indistinct irregular ridge. Forehead coarsely punctate-rugose. Pronotum with distinct subapical constriction; disk coarsely punctate-reticulate; with median costa; punctures each containing one narrow scale of ochre or white color. Elytra with striae deeply incised; intervals costate-carinate, with dense rows of punctures; punctures containing each one ochre or white narrow scale; base markedly bisinuate. Legs. Femora densely punctate, with sparse ochre scales, with transverse band of larger white scales. Profemur with subbasal callus anteriorly projecting. Tibiae subbasally with dorsal angulation; metatibia with suprauncal tooth. Abdominal ventrites 1-2 laterally swollen, medially forming common cavity, with coarse punctures; ventrite 5 medially concave, laterally swollen and with ochre elongate scales. Penis (Fig. 21b) with sides of body subparallel, subapically converging to subtruncate apex; endophallus with large X-shaped sclerite; complex transfer apparatus compact; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.58–3.19 mm. Body of females shorter. Female rostrum basally with median costa and pair of submedian costae; in apical half subglabrous, punctate; epistome simple. Female abdominal ventrites 1-2 medially flat; ventrite 5 flat.
Holotype (ANIC): ARC4045 (PCR failed), Queensland, Mt. Lewis Rd. via Julatten, 1000 m, rainforest, intercept trap, 11-XI-25-XII-1987. Paratypes (ANIC, SMNK): Queensland: 2 exx, same data as holotype; 1 ex, Mt. Lewis Rd. via Julatten, 1000 m, rainforest, intercept trap, 13-IX-10-X-1987; 1 ex, Mt. Lewis Rd. via Julatten, 1000 m, rainforest, intercept trap, 10-X-11-XI-1987; 1 ex, Mt. Lewis Rd. via Julatten, 01-XII-1975.
Queensland: Mt. Lewis Road.
Sifted from leaf litter in primary forest.
This epithet is an adjective based on the name of the type locality, Mt. Lewis.
- Riedel, A; Tänzler, R; 2016: Revision of the Australian species of the weevil genus Trigonopterus Fauvel ZooKeys, (556): 97-162. doi