79a65697_ow_in_Minnesota__Minnesota_DNR__Pest_or_Condition
[Trees] Birches and elms [Recommendations] Spray foliage when mines first appear as yellow or white leaf discolorations. Use acephate or other labeled insecticides. [Pest or Condition] 
Birch and elm leaf miners
Forest Insect and Disease Newsletter: 5/99: Helping trees grow in Minnesota: Minnesota DNR
Pest or Condition