Revision of the Australian species of the weevil genus Trigonopterus Fauvel Author Riedel, Alexander Author Taenzler, Rene text ZooKeys 2016 556 97 162 http://dx.doi.org/10.3897/zookeys.556.6126 journal article http://dx.doi.org/10.3897/zookeys.556.6126 1313-2970-556-97 FFA73BF51AA34BF085B81C44F838B040 Taxon classification Animalia Coleoptera Curculionidae Trigonopterus Fauvel, 1862 Type species. Trigonopterus insignis Fauvel, 1862, by monotypy. Diagnosis. Fully apterous genus of Cryptorhynchinae . Length 1.5-6.0 mm (1.7-3.81 mm in Australian species). Rostrum in repose not reaching middle of mesocoxal length. Scutellar shield completely covered by elytra. Mesothoracic receptacle deep, posteriorly closed. Metanepisternum completely absent. Metathoracic spiracle externally on side of metaventrite. Elytra with 9 striae (sometimes superficially effaced). Tarsal claws minute. Body largely unclothed (densely squamose in Trigonopterus squamosus Lea and Trigonopterus striatipennis Lea). Metafemur in Australian species without stridulatory patch. For additional information, see van de Kamp et al. (2015) and http://species-id.net/wiki/Trigonopterus.