THE MOUNT DESERT REGION .'587 



Pyrophaena Schiner 



P. granditarsus Foerster. S. W. Harbor, July 15. Newport 



Meadow on Solidago, Sept. 4. 

 P. bosabum Fab. Bar Harbor; S. W. Harbor; Salisbury 



Cove, June 13-Aug. 9. 



Platycheirus St. Fargeau and Serville 



P. chaetopodus Will. Bar Harbor, June 8. 



P. erraticus Curran. Auto net along 1 Middle Road, June 8- 



July 25. 

 P. immargixatus Zett. S. W. Harbor ; Bar Harbor (Metcalf ), 



June 15-July 25. 

 P. peltatus Meig. Bar Harbor, June 16-July 17. 

 P. QUADRATUS Say. "Narrows"; Salisbury Cove, June 9- 



July 27. 



Melanostoma Schiner 



M. angustatum Will. Bar Harbor, June 14. 

 M. confusum Curr. S. W. Harbor, June 16. 

 M. obscurum Say. Bar Harbor; "Narrows 1 '; Long Pond, 



June 21-Sept. 7. 

 M. pictipes Bigot. Sweeping- saw-grass and the like along 



the Barcelona, Aug. 1, F339; Station F417. 



Cartosyrphus Bigot 



C. pallipes Loew. Connnon, June 26-July 30. 



C. rita Curran. Bubble Br. on blackberry flowers, June 15. 



C. similis Shan. Section 15 on Solidago, Oct. 10. 



C. slossonae Shan. "Great Clearing," north of Sargent Mt., 



June 10. 

 C. tristis Loew. Common, June 12-Sept. 6. 



Cheilosa Meigen 



C. orilliaensis Curr. S. W. Harbor, June 21. 



