Insect Quiz May, 2006

May Quiz 2006

You are walking around in your yard when you notice your 20 foot linden has a number of leaves with holes in them.  Upon closer inspection, you notice there are a fair number of one inch long, slender green insects chewing on the leaves.  As you look, you determine that about 25% of the leaves seem to be affected.  Your tree is in otherwise good health but you are concerned about these insects and what they could do to your linden.

1.  What is this insect?

2.  What kind of plants do they like to eat?   

3.  How harmful are they to plants?

4.  What are the best options to manage this insect?