Pest identification
What's eating my kentucky wonder pole bean?
Mexican bean beetle (Epilachna varivestis)
Signs: Skeletonized leaves with only the upper epidermis remaining; larvae feed in groups on leaf undersides
Control: Hand-pick egg clusters and larvae, apply neem oil or spinosad, introduce Pediobius foveolatus parasitoid wasps
Japanese beetle (Popillia japonica)
Signs: Skeletonized leaves with intact veins; adults feed in groups on upper foliage
Control: Hand-pick adults in the morning into soapy water, apply pyrethrin, use milky spore on lawn grubs
Aphids (black bean aphid & others)
Signs: Sticky, curled growing tips; stunted pods; sooty mold
Control: Water blast, insecticidal soap, encourage hoverflies and ladybugs
Rabbits & deer
Signs: Clean-cut stems and browsed foliage, especially on young plants near garden edges
Control: Hardware cloth fencing 2–3 ft tall (rabbits) or 8 ft (deer), repellent sprays, or plant adjacent deterrent herbs
Keep kentucky wonder pole bean pest-free
Healthy plants resist pests best. Get the basics right:
Kentucky Wonder Pole Bean pests — FAQ
What is eating my kentucky wonder pole bean?
Kentucky Wonder pole beans are targeted by Mexican bean beetles, bean leaf beetles, aphids, and Japanese beetles. Slugs damage young seedlings. Rabbits and deer browse foliage. The Mexican bean beetle is the worst pest — larvae and adults skeletonize leaves from below, rapidly defoliating entire plants if not caught early.
How do I get rid of mexican bean beetle (epilachna varivestis) on kentucky wonder pole bean?
Skeletonized leaves with only the upper epidermis remaining; larvae feed in groups on leaf undersides Hand-pick egg clusters and larvae, apply neem oil or spinosad, introduce Pediobius foveolatus parasitoid wasps
How do I get rid of japanese beetle (popillia japonica) on kentucky wonder pole bean?
Skeletonized leaves with intact veins; adults feed in groups on upper foliage Hand-pick adults in the morning into soapy water, apply pyrethrin, use milky spore on lawn grubs
How do I get rid of aphids (black bean aphid & others) on kentucky wonder pole bean?
Sticky, curled growing tips; stunted pods; sooty mold Water blast, insecticidal soap, encourage hoverflies and ladybugs
How do I get rid of rabbits & deer on kentucky wonder pole bean?
Clean-cut stems and browsed foliage, especially on young plants near garden edges Hardware cloth fencing 2–3 ft tall (rabbits) or 8 ft (deer), repellent sprays, or plant adjacent deterrent herbs