 Psyrassa sp.. | Five species of Psyrassa can be found in the US and two of those (P. unicolor and P. pertenuis) in the Eastern half. The larvae feed on tree branches (especially hickory and pecan trees) and create deep damage that can cause them to break, typically before leafout in spring.
bug guide (this photo): http://bugguide.net/node/view/1217988 |