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Vol. 22, No. 9, June 8, 2007
 
Confused Cooley spruce adelgids in Jackson County
Howard Russell
MSU Diagnostic Services
   
Woolly egg masses on spruce. Close up of egg masses.
The woolly egg masses of cooley spruce adelgids on the needles of a blue spruce branch. A close up of the egg masses with dead winged females and newly hatched adelgids.
 
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The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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