Frass Surrounding the Tree From Carpenter Ants in Metuchen, NJ All of this frass (sawdust) is from the carpenter ants. Related Content: Article: 3 Proven Methods for Managing Stinging Insects Around Your New Jersey Home Article: Black Widow Spider: A Homeowners Guide Case Study: Carpenter Ants Vs Termites in Manalapan, NJ Press Release: Avoid the Dangers of Fall Pests Back to Previous Page Back to Videos