Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Lixus

what in the world?? - Lixus concavus Weevil ID Request - Lixus scrobicollis Unknown bug or beetle? - Lixus macer Rhubarb Weevil - Lixus concavus Tooth-nosed Snout Weevil - Lixus concavus Weevil [=Lixus? concavus?? or mucidus??] ID Request - Lixus mucidus Lixus? - Lixus semivittatus Lixus -- concavus? - 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.