196 BIOLOGICAL SURVEY OF 



Parhelophilus Girschner 



R. REX Curran & Fluke. Bar Harbor, July 10. 



P. LAETUS Loew. Bar Harbor; S. W. Harbor, June 13- 



July 10. 

 P. oBSOLETus Loew. Bar Harbor ; S. W. Harbor, June 13-21. 



Lejops Kondani 



L. RELicTus Curran & Fluke {Helophilus cJirysostoma auct., 



not Wied.). Bar Harbor, July 10. 

 L. LUNULATUS Meig. {H. hamatus Loew). Witch Hole Pond; 



Bar Harbor; Salisbury Cove, June 13-July 18. 

 L. (Eurhimyia) STiPATus Walk. {H. conostotna Will.). Witch 



Hole Pond, June 13. 



POLYDONTOMYIA WiUiston 



P. cuRviPES Wied. Narrows, June 9-Aug. 13. 



EuMERUS Meigen 



E. STRIGATUS Fall. Lunate onion-fly. Bar Harbor, July 25, 

 1916 (Metcalf); July 19, 1919 (C. W. J.). 



Tropidia Meigen 



T. QUADRATA Say. Bar Harbor; S. W. Harbor, June 11- 

 July 25. 



Syritta St. Fargeau and Serville 



S. piPiENS Linn. Bar Harbor ; Tremont, July 14- Aug. 23. 



Xylotomima Shannon 



X. CURVIPES var. satanica Bigot. Bar Harbor, June 11; 'Mt. 

 Desert,' July 31 (McAtee). 



Brachypalpus Macquart 



B. OARus Walk. {B. front osus Loew). Witch Hole Pond, 

 June 13. 



Xylota Meigen 



X. suBFASciATA Locw. Bar Harbor; Long Pond, June 14- 



July 10. 

 X. EjuNCiDA Say. Bar Harbor; S. W. Harbor; Long Pond, 



June 11-26. 

 X. EJUNCIDA var. elongata Will. Bar Harbor, June 6-24. 

 X. naknek atlantica Shan. Bar Harbor, June 15-29. 



