Fig 1 Section of stem of a small black locust tree, showing sawdust thrown out 



by larvae oT the Loc.st Borer iCyllene robiniae) Natural s.ze. Ongmal.) 



Ftp 2 Same as Fig 1 with bark removed. Natural s.ze. (Original) 



Fig. 2. bame l<ig. w ^ ^^ _^^ ^^ ^^^ ^^^^^^ ^^^^^ ^^^^^^^^^ robtmae) 



