79a65697_ow_in_Minnesota__Minnesota_DNR__Pest_or_Condition
[Trees] Spruces [Recommendations] As buds swell spray with acephate, dimethoate or diazinon. [Pest or Condition] 
Spruce gall adelgids
Forest Insect and Disease Newsletter: 5/99: Helping trees grow in Minnesota: Minnesota DNR
Pest or Condition