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Genus Lixus

Lixus concavus? - Lixus rubellus Large weevils - Lixus scrobicollis More Lixus - Lixus semivittatus Gray Weevil? - Lixus rubellus Lixus marginatus Say - Lixus marginatus Beetle - Lixus Lixus, weevil? - Lixus Lixus concavus
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 Lixinae
Tribe Lixini
Genus Lixus
Other Common Names
genus includes the Rhubarb Beetle or Rhubarb Curculio (L. concavus) and the Knotweed Weevil (L. parcus).
Synonyms and other taxonomic changes
genus needs revision(1)
Explanation of Names
Lixus Fabricius 1801
~30 spp. in our area (R.S. Anderson, pers.comm. to =v=, Jan 2018), ~?200 in 17 subgenera worldwide(2)
5.5-20+ mm
Medium to large elongated, cylindrical weevils often covered with waxy bloom (light-yellow to reddish), easily rubbed away
worldwide, incl. most of NA(1)(2)
open habitats
associated with various Asteraceae and Polygonaceae(1)
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.A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera)
Alonso-Zarazaga M.A., Lyal C.H.C. 1999. Entomopraxis, Barcelona. 315 pp.