Japanese Beetle Control – Comparison of Chemicals

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Japanese Beetle Control – Comparison of Chemicals

Q: I am not getting good control of Japanese beetles with Sevin. Are there alternatives?

A: A University of Kentucky study compared several Japanese beetle control strategies. Their conclusion was that synthetic pyrethroid insecticides (deltamethrin, bifenthrin, Lambda- cyhalothrin, cyfluthrin)gave at least 19 days’ residual protection; longer than Sevin.

The also found that some organic products had some efficacy but some damaged plant leaves.

Here’s their PowerPoint presentation.

Residual and Antifeedant Activity of Landscape Insecticides Against Japanese Beetles

Here’s the PDF summary file
Residual and Antifeedant Activity of Landscape Insecticides Against Japanese Beetles

About Gardening: Japanese Knotweed Control by Chemicals; Japanese Beetle Control; How to Control Japanese Beetles; Japanese Beetle – Decline in Numbers; Daisy Beetle – Control; Japanese Beetle – Control with Milky Spore Disease; Japanese Beetle – Organic Control; Japanese Beetle – Chemical Control; Peach – Japanese Beetle Control; Japanese beetle – Nematodes to Control

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