Carpenter ants use knots, cracks, holes, and old insect tunnels to gain access to these areas. Control of carpenter ants in trees is difficult and impractical. Of more importance is the possibility of satellite nests entering homes from colonies in trees. The availability and use of particular pesticides may change from year to year. The label is the final authority on how you may legally use any pesticide.
Insecticides listed here are common names of active ingredients available for carpenter ant control.
You will find these insecticide names on the label under the heading Active Ingredients. These names are often listed in fine print, so look carefully. Insecticides are available in many stores, including hardware stores, gardening center, and variety retail stores. Jeffrey Hahn , Associate Professor Mark Ascerno , Department Head Entomology Produced by Communication and Educational Technology Services, University of Minnesota Extension Service. The information given in this publication is for educational purposes only.