418 BIOLOGICAL SURVEY OF 



Cremastus Gravenhorst 



C. roRBESii Weed. Bred from C. salmani on alder Aug, (Br.) ; 



S. W. Harbor, July 29. 

 C. sp. Salisbury Cove, July 25. 

 C. sp. Bred from Tetralopha and a leaf-webber on poplar, 



July (Br.). 



Zaleptoptgus Viereek 



Z. n.sp. Narrows, Aug. 13. 



Leptopygus Foerster 



L, sp. Long Pond ; Salisbury Cove, Aug. 21. 



Aperileptus Foerster 



A. DELicATus Cusli. Eclio Lake; Long Pond, July 11-17. 



Banchus Fabricius 



B. BOREALis Cress. Bar Harbor; N. E. Harbor, June 7-July 8. 

 B. PALLEscExs Prov. Bar Harbor, July 10. 



B. suPERBus Cress. S. W. Harbor (Br.), May 25. 



Plectiscus Graveiihorst 



P. PARVUS Cush. Echo Lake, July 17. 

 P. n.sp. Bar Harbor, Aug. 10. 



Xenoschesis (Foerster) Jemiller 



X. n.sp. Pars, on Lyda P. hanksiana, Sept. 1934. Pars. Lyda, 



Aug. 22 and 24, 1936 (Br.). 

 X. n.sp. Bred from Lyda sp, on P. rigida, VII 16, '37. Same 



sp. reared in 1935 and 1936 from Lyda (Br.). 

 X. sLossoNAE Cush. S. W. Harbor, July 10. 

 X. n.sp. Echo Lake, July 19. 



