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Questions & Answers
bean bug/beetle control
samba3412@ asks:
Question
Bean bugs and their yellow beetles are destroying my running beans. How can I control organically? Hot pepper, tobacco juice, and dish deterg. don't phase them. Please help soon.
Answer
It sounds like you are describing the Mexican bean beetle (Epilachna varivestis). Both the adults and larva are known to feed on the underside of leaves and in numbers they can be quite damaging. To best control the beetle organically hand pick the adults and young larval stages from plants and drop them in soapy water. The bright yellow eggs laid in clusters on the undersides of leaves will also need to be removed. Beneficial insects, such as ladybugs, lacewing, and other beneficial insects will feed on both the egg and young larval stage. If you need additional protection try using an insecticidal soap, it is organic but will need to be reapplied regularly. When applying the insecticidal soap be sure to cover both op and bottom of the leaves.
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