Honeylocust borer
Agrilus difficilis

• “D” shaped exit holes found in declining branches
• Branches larger than ½ inch diameter die back from larvae feeding under bark
• Removal of bark reveals frass filled galleries
• Wet spots due to sap-stains on bark around infestation sites
• Adults are 5/16- ½ inch long, bullet-shaped with characteristic whitish to yellowish bands on abdomen
• Adults make notches along leaf margins while feeding