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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

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

Previous events


Species Listroderes difficilis - Vegetable Weevil

Listroderes difficilis? - Listroderes difficilis Snout Beetle - Listroderes difficilis Beetle - Listroderes difficilis Listroderes difficilis 20160713B02 - Listroderes difficilis Found a weevils late at night - Listroderes difficilis Listroderes difficilis (Vegetable Weevil)? - Listroderes difficilis Please help us to identify this guy. - Listroderes difficilis
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 Cyclominae
Tribe Listroderini
Genus Listroderes
Species difficilis (Vegetable Weevil)
Synonyms and other taxonomic changes
resurrected from synonymy with L. costirostris Schoenherr
Explanation of Names
Listroderes difficilis Germain 1895
se US to CA (CA-TX-FL-NC-OK, NJ) - Map (1)(2)
native to S. America, now almost worldwide in warm temperate/subtropical climates
polyphagous, may feed on a wide range of vegetables, cultivated flowers, and weeds (Mau & Kessing 1992)
Introduced to the US from Argentina; earliest record: MS 1922
Print References
Morrone J.J. (1993) Cladistic biogeographic analyses of the weevil genus Listroderes Schoenherr (Coleoptera: Curculionidae). Cladistics 9: 397–411.
Internet References
Works Cited
1. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
2.Global Biodiversity Information Facility (GBIF)