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Genus Rhinusa

Unknown bug? Beetle? - Rhinusa tetra Rhinusa antirrhini Toadflax Seedhead Weevil  - Rhinusa antirrhini Curculionidae, dorsal - Rhinusa tetra Curculionidae, lateral - Rhinusa tetra small brown hairy weevil - Rhinusa tetra European Curculionid Weevil, dorsal - Rhinusa tetra Curculionoidea - Rhinusa tetra
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Curculioninae
Tribe Mecinini
Genus Rhinusa
Synonyms and other taxonomic changes
formerly treated as a subgen. of Gymnetron Schonherr
Explanation of Names
Rhinusa Stephens 1829
5 spp. in our area, all adventive(1)(2)
Front coxae touching (difference from Cleopomiarus)
Images of all the spp. present in NA here and here

Key to NA species in (3)
all our spp. are native to Europe, adventive in NA and now occur across Canada and the US (scattered records)
various Scrophulariaceae (including Yellow and Dalmatian Toadflax); usually specialize on one or a few closely related host species
Internet References
Journal of Insect Biodiversity. Rhinusa Stephens: a taxonomic revision of the species belonging to the R. tetra and R. bipustulata groups (Coleoptera Curculionidae) Article (PDF Available)  in Journal of Insect Biodiversity 2(19):1-46 · October 2014 with 130 Reads DOI: 10.12976/jib/2014.2.19
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.The weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, II: New records from Nova Scotia...
C.G. Majka, R.S. Anderson, & D.B. McCorquodale. 2007. The Canadian Entomologist 139: 397–442.
3.Rhinusa asellus (Gravenhorst) (Coleoptera: Curculionidae), a Eurasian Weevil New to North America, with a Summary of...
DiGirolomo, M.F., Hoebeke, E.R., and Caldara, R. 2019. Proceedings of the Entomological Society of Washington.