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Identifying japanese beetles on Echinacea
Metallic green beetle with coppery-brown wing covers and small tufts of white hair along the abdomen edges.
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Life cycle
Single generation per year; grubs overwinter deep in soil, adults emerge in summer to feed and mate for several weeks.
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Damage to Echinacea
Adults skeletonise leaves between veins and feed on flowers in large groups; larvae (grubs) feed on grass roots, damaging lawns.
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How to treat japanese beetles on Echinacea
Hand-pick or shake beetles into soapy water in early morning. Apply beneficial nematodes to soil to target grubs.
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Preventing japanese beetles on Echinacea
Avoid pheromone traps near valued plants, as they can attract more beetles than they catch. Treat lawns for grubs proactively.