THE MOUNT DESERT REGIOX 321 



OcYDROMiA Meigen 



0. GLu4BRicuLA Fall. Eclio Lake ; Bar Harbor ; Narrows, July 

 12-27. 



Oedalea Meigen 



0. OHioENSis Mel, Echo Lake, June 7. 



Anthalia Zetterstedt 



A. FLAVA Coq. S. W. Harbor ; Long Pond, June 24— July 16 



Trichina Meigen 



T. FLAviPES Meig. Jordan Pond; S. W. Harbor; Echo Lake, 

 June 10-July 17. 



MiCROPHORUS Maequart 



M. ATRATUS Coq. Jordan Pond ; Bar Harbor ; Echo Lake, 

 June 10-July 19. 



Oreogeton Scbiner 



0. OBscuRA Loew. Jordan Pond ; Long Pond, June 10-27. 

 0. RUFA Loew. Jordan Pond ; Long Pond, June 10-July 10. 



Hilar A Meigen 



H. FEMORATA Loew. Bar Harbor, June 8-15. 



H. GRACILIS Loew. Common, July 30- Aug. 26. 



H. LEUCOPTERA Loew. Narrows ; Pretty Marsh, June 9-20. 



H. TRisTis Loew. Common, June 13-July 16. 



Empis Linnaeus 



E. isTUDA Loew. Echo Lake, June 27. 



E. RUFESCENS Loew, Common, June 7-July 17. 



E. LONGiPES Liv, Echo Lake, July 17. 



E. sp. Station F241, April 21. 



