Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Lixus

unknown weevil - Lixus scrobicollis Snout Beetle - Lixus asper weeeeevil - Lixus beetle - Lixus semivittatus Lixus placidus Weevil? - Lixus concavus Mating Weevils - Lixus scrobicollis - male - female beige weevil - Lixus scrobicollis
Classification
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 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
'ash/lye-covered'
Numbers
~30 spp. in our area (R.S. Anderson, pers.comm. to =v=, Jan 2018), close to 1,000 in 17 subgenera worldwide(2)
Size
5.5―20+ mm
Identification
Medium to large elongated, cylindrical weevils often covered with waxy bloom (light-yellow to reddish), easily rubbed away
Range
worldwide, incl. most of NA(1)(2)
Habitat
open habitats
Food
associated with various Asteraceae and Polygonaceae(1)
Remarks
not yet in the guide:
L. lateralis Say 1831;
L. fossus LeConte 1876;
L. juelichi, laramiensis, obesulus, oregonus, and sobrinus Casey 1891;
L. perlongus Fall 1913
L. aspericollis, buchanani, cleonoides, flexipennis, lodingi, plucheae, and regularipennis Chittenden 1930
[some of the latter may be synonyms]
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.