79a65697_ow_in_Minnesota__Minnesota_DNR__Pest_or_Condition
[Trees] Pines [Recommendations] Remove duff around base of tree out about 1 foot and prune lowest branches at least l foot up from ground. As a last resort, drench root collars with acephate, diazinon or other labeled insecticides. [Pest or Condition] 
Root collar weevils
Forest Insect and Disease Newsletter: 5/99: Helping trees grow in Minnesota: Minnesota DNR
Pest or Condition