Question
LAST YEAR IN OUR WILLOW TREE WE HAD AN INSECT I'D LIKE TO IDENTIFY,AND FIND A WAY TO GET RID OF IT. IT APPEARS TO NOT BE ABLE TO FLY BUT DRIFTS WITH THE WIND IT IS ABOUT THE SIZE OF AN AFID BUT DARK IN COLOR WHEN YOU SQUISH THEM OR BRUSH THEM OFF YOU GET A REDISH PURPLE STAIN FROM THEM
SORRY IT,S THE BEST DESCIPTION I COULD GIVE

Answer
Hi Greg,
Thanx for your question.  I'm really not a tree expert but we do have a man on Allexperts, Jim Hyland over at the Trees Forum who can answer your question.  Jim has a lot of experience as a Forestry professional with the U.S. Forestry Service.  Please access Jim through the Trees Forum.
thx,
Tom