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- Home, Yard, & Garden Newsletter article from 7-20-15
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- White Grubs
- Japanese Beetles and Silk Clipping: New Research on an Old Foe
- Japanese Beetles – lower numbers this summer!
- Japanese beetles survived the winter, now what
- Japanese Beetle Update by Dr. Phil Nixon
- Japanese Beetle Factsheet - Utah State University
- Japanese Beetle Myth Information
- Japanese Beetle Q&A by Minnesota Extension
- University of Illinois Extension Home, Yard, and Garden Pest Newsletter
- Japanese Beetle and Look-alike Pictures
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Tuesday, June 10, 2014
Extension Entomologist Phil Nixon provided the following update during an academic horticulture team meeting on May 19th.
- Now is the prime time for Emerald Ash Borer insecticide treatments as the new leaves are expanding. Go to http://www.agr.state.il.us/eab/ for treatment options.
- We expect a reduction in numbers of Japanese beetles due to cold soils killing overwintering grubs. If the soil was frozen one foot deep for three consecutive weeks, about two-thirds of the grubs were killed.
- We are in a normal year for bug stages across Illinois. Days over 80 degrees have caught bug stages up quickly, even with the late spring.
Good news if you live in central to northern Illinois where soil froze deeper and longer and thus (hopefully) killed grubs.