 The ACLU and nine families have filed lawsuits against the Ten Commandments law. The case will be heard by a federal judge in Baton Rouge. Louisiana is seeing an increase this year in a fuzzy blondish caterpillar called fall webworms. LSU AgCenter urban entomologist Aaron Ashbrook says they do not bite humans, but they could do a number on trees and bushes in your yard. What is interesting about this pest insect is they can feed upon over 400 different species of trees, and they are quite extensive defoliators.