U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 60, ART. I PL. 5 



T viminalis 49 ^- "-^^niei U5 



P. pruoL P. salitivorus 



T , - T 1- 54 55 56 



T. V I mm a lis T.gregarcus T. IrregularLS C. i.somerus P bruni 



North American Cladiine Sawflies. 



For explanation of plate see page 42. 



