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Species Rhinusa tetra - European Curculionid Weevil

weevil - Rhinusa tetra Small brown weevil found on Mullein - Rhinusa tetra Weevil 10.06.17 (1) - Rhinusa tetra weevil request - Rhinusa tetra Gymnetron tetrum - Rhinusa tetra European Curculionid Weevil - Rhinusa tetra Rhinusa tetra  - Rhinusa tetra Weevil - Rhinusa tetra
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Curculioninae
Tribe Mecinini
Genus Rhinusa
Species tetra (European Curculionid Weevil)
Other Common Names
Mullein Weevil
Synonyms and other taxonomic changes
=Gymnetron tetrum, Cleopomiarus tetrum
Explanation of Names
Rhinusa tetra (Fabricius 1792)
2-4 mm
more stout than other NA spp.; posterior margin of pronotum more than twice as wide as anterior margin
native to Europe, adventive and now widespread in NA (CA-GA-ME-BC)(1) (introduced before 1916)(2)
on Verbascum and Scrophularia; larvae are stem miners
also commonly feeds on stems of Asclepias syriaca (3)
released to combat common mullein
Print References
Caldara, R. et al. 2012. Taxonomic and nomenclatural notes on the Rhinusa tetra (Fabricius) species complex (Coleoptera: Curculionidae). Zootaxa 3329: 31–40. (Full PDF)
Works Cited
1.Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies...
O'Brien C.W., Wibmer G.J. 1982. Mem. Am. Ent. Inst. 34: x+382 pp.
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.Survey of Coleoptera collected on the common milkweed, Asclepias syriaca, at one site in Ohio
Dailey, P.J., R.C. Graves and J.M. Kingsolver. 1978. The Coleopterists Bulletin, 32(3): 223-229.