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Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Lixus

weevil - Lixus mucidus Lixinae? - Lixus scrobicollis weevil - Lixus concavus weevil - Lixus Lixus tenellus Casey - Lixus tenellus beetle - Lixus Lixus  Rhubarb Weevil - 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
probably means 'ash/lye-covered'(2)
~70 spp. in our area(1), ~?200 in 17 subgenera worldwide(3)
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)(3)
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.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
3.A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera)
Alonso-Zarazaga M.A., Lyal C.H.C. 1999. Entomopraxis, Barcelona. 315 pp.