THE MOUNT DESERT REGION 333 



Epistrophe Walker (Stenosyrphus Matsumura) 



E. GROSsuLARiAE Meig. Bar Harbor ; Green Mt., July 22-25. 



E. xANTHosTOMus Will. Bar Harbor, July 19. 



E. DivEESiPEs Macq. Common, June 8-Aug. 11. 



E. UMBELLATORUM Fab. Bar Harbor ; Green Mt. ; Long Pond, 



June 11-Aug. 17. 

 E. GENicuLATUs Macq. S. W. Harbor ; Green Mt. ; Bar Harbor, 



June 22-Sept. 11. 

 E. risHERi Walt. S. W. Harbor, Aug. 22. 

 E. MENTALis Will. Bar Harbor, June 8-13. 

 E. GENUALis Will. Bar Harbor ; Salisbury Cove ; S. W. Harbor, 



June 7-21. 

 E. AECTicus Zett. Bar Harbor, Sept. 11, 1922. 

 E. SEXQUADRATUS Walk. Bar Harbor, Sept. 10, 1922. 

 E. ORONENsis Metcalf. Bar Harbor, July 19. 



DoROS Meigen 



D. AEQUALis Loew. Bar Harbor, June 6; Eden, June 12. 

 Scarce. 



ToxoMERUs Maequart 



T. GEMiNATus Say. S. W. Harbor ; Bar Harbor, June 21-July 



17. 

 T. MARGiNATus Say. Bar Harbor; 'Narrows,' July 18-27. 



Sphaerophoria St. Fargeau and Serville 



S. CYLiNDRicA Say. Larvae feeding on aphids on Spirea. 



Bred July 29 (Br.). 

 S. MENTHASTRi Liuu. Commou, June 21-July 24. 

 S. NovAEANGLiAE Jobus. Upper Hadlock Pond; Echo Lake, 



June 10-July 12. 



Allograpta Osten Sackeii 



A. oBLiQUA Say. Bar Harbor, July 29; Seal Harbor (D. 

 Rockefeller). 



