Kentucky IPM Pest Information Pages
All stages of the Mexican been beetle feed on beans. Young larvae feed on the underside of the
leaves. Older larvae and adults eat through the leaf, leaving only the major veins. This type of
feeding gives the leaves a lacy appearance. Mexican bean beetles can feed on pods, but rarely
damage the developing beans.
Thresholds for Mexican bean beetle are as follows:
Economic Thresholds for Mexican bean beetle are as follows:
Mexican Bean Beetle Activity
Please note: These dates are approximations only. This calendar was constructed using data from Kentucky, USA. These dates may not apply in your area. You may wish to contact your county extension agent or agricultural consultant for information tailored to your locality.
This site was created and is maintained by Pat Dillon, Department of Entomology, University of Kentucky, S-225 Agricultural Science Ctr North, Lexington, KY USA 40546-0091 (phone: 859/257-3571). Please send questions or suggestions to: firstname.lastname@example.org