Trigonopterus terraereginae Riedel,

Riedel, Alexander & Taenzler, Rene, 2016, Revision of the Australian species of the weevil genus Trigonopterus Fauvel, ZooKeys 556, pp. 97-162: 143-144

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scientific name

Trigonopterus terraereginae Riedel

sp. n.

Taxon classification Animalia Coleoptera Curculionidae

31. Trigonopterus terraereginae Riedel  sp. n.

Diagnostic description.

Holotype (Fig. 31a). Length 2.50 mm. Color black; antenna and legs ferruginous. Body subovate, in dorsal aspect with marked constriction between pronotum and elytron; in profile convex. Rostrum with median ridge and pair of submedian ridges; intervening furrows with rows of coarse punctures each containing one mesad directed scale; epistome posteriorly with curved ridge. Forehead coarsely punctate-rugose. Pronotum with sides subparallel, anteriorly abruptly rounded to distinct subapical constriction; irregularly foveate-reticulate; each fovea containing one inconspicuous seta. Elytra with striae deeply incised, with coarse punctures; intervals costate-carinate; subglabrous, sparsely punctate, with sparse scales; base bisinuate. Legs. Femora densely punctate. Profemur with subbasal callus anteriorly projecting. Tibiae subbasally with acute tooth; metatibia with suprauncal tooth. Abdominal ventrite 1 concave; abdominal ventrite 2 posteriorly transversely costate. Penis (Fig. 31b) with sides of body subparallel, apex subangulate, medially rounded; orifice with pair of curved sclerites; transfer apparatus short, dentiform; ductus ejaculatorius subapically with weak bulbus.

Material examined.

Holotype ( ANIC): ARC4242 (PCR failed), Queensland, Mt. Cook N.P., S15°29', E145°16', rainforest litter, ANIC Berlesate No. 732, 10-12-V-1981.


Queensland: Mt. Cook.


Sifted from leaf litter in primary forest.


This epithet refers to Queensland (Terra Reginae).