Issue 1, April 18, 2011

Pest Watch

There are numerous insect and mite pests that are active and controllable at this time. Control can be obtained throughout the state on ash plant bug, fall cankerworm, spring cankerworm, hemlock eriophyid mite, leaf crumpler, pine bark adelgid, spruce needle miner, spruce spidermite, and Zimmerman pine moth. In southern Illinois, European pine sawfly, hawthorn mealybug, honeylocust pod gall, and Eastern tent caterpillar are susceptible to control. In northern Illinois, Cooley spruce gall adelgid and Eastern spruce gall adelgid are still controllable. (Phil Nixon)

Phil Nixon

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