THE MOUNT DESERT REGION 193 



S. wiEDEMANNi Joliiis. Bar Harbor; 'Narrows,' June 9- 

 Aug. 13. 



S. LATiFASCiATus Macq. (abbreviatns Will.). Salisbury Cove, 

 July 23-24. 



S. RiBEsii Linn. Common, July 10-Sept. 9. 



S. RIBESII var. viTTiFRONs Shall. Bar Harbor; Long Pond; 

 Salisbury Cove ; S. W. Harbor, June 8-Sept. 6. 



S. RECTUS 0. S. Bar Harbor ; Green Mt. ; S. W. Harbor, July 

 7-Aug. 20. 



S. TORvus 0. S. Common, June 15-Sept. 22. 



S. LAXA 0. S. S. W. Harbor; Bar Harbor; Salisbury Cove, 

 June 21-Sept. 11. 



S. NiTENS Zett. 'Narrows,' Aug. 13. 



S. joHNSONi Curr. Bar Harbor, June 22-23. 



S. LiMATUS Hine. Bar Harbor, June 13, 1921. 



S. VENusTus Meig. Bar Harbor ; Salisbury Cove ; S. "VV. Har- 

 bor, June 9-22. 



S. EMARGiNATus Say. Bar Harbor, June 15-Aug. 14. 



S. FELIX 0. S. Echo Lake, July 17. 



Epistrophe Walker {Stenosyrphus Matsumura) 



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



E. XANTHOSTOMUS Will. Bar Harbor, July 19. 



E. DivERSiPES 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 Har- 

 bor, June 22-Sept. 11. 



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



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



E. GENUALis Will. Bar Harbor; Salisbury Cove; S. W. Har- 

 bor, June 7-21. 



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



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



E. oRONENsis Metcalf. Bar Harbor, July 19. 



Allograpta Osteu Sacken 



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

 Eockefeller). 



