Pest Activity -- April 5, 2002

Pest Activity > Pest Activity Archives > April 5, 2002

Welcome to the Woody Ornamental Pest Scouting Report for Western Pennsylvania for April 5, 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 April 3, the following growing degree days have accumulated:

Uniontown	84	Franklin	44
New Stanton	68	Meadville	37
Pittsburgh	63	Erie	25
Wexford	58	Fairview	16
Prospect	47	Harbor Creek	20
Mercer	20

Spruce Rust Mites and Hemlock Rust Mites remain active on Spruce and Hemlocks in Western Pennsylvania at this time. Many of the miticides that are labelled for control of spider mites do not provide control of eriophyid mites so please check the label as well as the Penn State and Pennsylvania Department of Agriculture recommendations.

Cooley Spruce Gall Adelgid nymphs scouted in Westmoreland County are slowly becoming covered with white waxy strands. While the window for control sprays is slowly closing, control measures can still be applied at this time.

Evidence of feeding on the terminals of Eastern White Pines was spotted in Westmoreland County this past week. Nurseries or landscapes with a previous history of White Pine Weevil problems should be scouting Eastern White Pine, Norway Spruce, Oriental Spruce, and Colorado Blue Spruce at this time looking for evidence of recent feeding. This task is much easier if you possess keen eyesight, a pair of binoculars or trees six foot tall or under.

The next scouting report will be on Friday, April 12th.