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Pest Activity -- March 15, 2002Pest Activity > Pest Activity Archives > March 15, 2002 Welcome to the Woody Ornamental Pest Scouting Report for Western Pennsylvania for March 15, 2002, brought to you by Penn State Cooperative Extension.This message will be updated weekly with growing degree day counts and insect activity through the end of June. If you would like an email copy of this report, send your request to mcm2@psu.edu. As of March13, the following growing degree days have accumulated:
Spruce Rust Mites have hatched on Colorado Blue Spruce in Westmoreland County Hemlock Rust Mites have hatched and adults are active in Westmoreland and Allegheny Counties at this time. Overwintering Cooley Spruce Gall Adelgids observed this past week on Douglas-fir in Westmoreland County were beginning to form the white waxy strands with little change from the previous week. Control measures can be applied at this time. The next scouting report will be on Friday, March 22 |
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