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

Fall Fund Drive


Species Cerotoma trifurcata - Bean Leaf Beetle

Bean Leaf Beetle - Cerotoma trifurcata Bean Leaf Beetle - Cerotoma trifurcata Cerotoma trifurcata - Bean Leaf Beetle - Cerotoma trifurcata Cerotoma trifurcata Cerotoma trifurcata Beetle - Cerotoma trifurcata Potato beetle? - Cerotoma trifurcata Cerotoma trifurcata (Forster) - Cerotoma trifurcata
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 Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Luperini
Subtribe Diabroticina
No Taxon (Section Cerotomites)
Genus Cerotoma
Species trifurcata (Bean Leaf Beetle)
Synonyms and other taxonomic changes
Cerotoma trifurcata (Forster)
Orig. Comb: Chrysomela trifurcata Forster 1771
4-9 mm
variable species

e. NA to Great Plains (NM-FL-QC-MB)(1)
Leaves of legumes
mostly May-Sept (BG data)
asso. w/ var. Fabaceae(2) but can also feed on cucurbits (Koch et al. 2004)
Print References
Böving A.G. (1930) Description of the larva of Cerotoma trifurcata Forster (Coleoptera: Chrysomelidae). Proceedings of the Entomological Society of Washington 32: 51-58.
Internet References
Texas Entomology - Mike Quinn, 2006
Fact sheet - Doug Johnson, Extension Entomologist, UK College of Agriculture
Works Cited
1.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
2.Host Plants of Leaf Beetle Species Occuring in the United States and Canada
Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.