Maple callus borer
- 1/8 to 3/16 inch holes in stem near damaged bark or other wounds that may become disfigured and unattractive with high infestations
- Pupae stick out of exit hole, empty pupal cases are commonly observed after moths have emerged
- An adult moth, appearing wasp-like, has translucent wings with black markings; bluish-black antennae on a reddish-orange head and mid-section
- Silver maple is preferred host
- More information on Maple callus borer...