412 BIOLOGICAL SURVEY OF 



ScoPESis Foerster 



S. LAETUs Prov. Common, July 22-Sept. 6. 



Grypocentrus Rutlie 



G. sp. Oct. 2. Pars, sawfly blackberry (Br.). 



Tryphon Gravenliorst 



T. COMMUNIS Cress. Common, June 21-July 16. 



T. SEMiNiGER Cress. Salisbury Cove ; Long Pond, July 14-17. 



POLYBLASTUS Hartig 



p. FULViLiNEALis Hall. Witcli Hole Pond, Aug. 18. 



P. PEDALis (Cress.). Pars, on Croesus lafitarsus (Br.). Echo 



Lake; S. W. Harbor, June 17-July 20. 

 P. TIBIALIS Cress. S. W. Harbor, July 20. 



ScoPiORUS Foerster 



S. ANALis Cress. S. W. Harbor, July 24. 



S. occiDENTALis Crcss. Loug Pond, July 12-16. 



S. suBCEAssus Cress. S. W. Harbor, June 25. 



Erromenus Holmgren 



E. DiMiDiATus Cress. Narrows; Bar Harbor; Salisbury Cove, 



June 9- July 23. 

 E. MAEGiisi-ATUs Prov. S. W. Harbor, June 23. 

 E. TEisTis (Prov.). Bred July 9 (Br.). 

 E. sp. near ceassus (Cress.). Bred from sawfly material. May 



26 (Br.). 



MoNOBiiASTus Hartig 



M. oBscuEELLus Ci'css. Bar Harbor, June 22. 

 M. VAEiFEONs Cress. Pretty Marsh ; Salisbury Cove ; Bar Har- 

 bor, June 20-July 14. 

 M. sp. Bred from Pteronidea popidi July 1 (Br.). 



