THE MOUNT DESERT REGION 373 



OREOGETON Schiner 



O. obscura Loew. Jordan Pond; Long Pond, June 10-27. 

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



Hilara Meigeii 



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. nigriventris Loew. Corfield at light, Aug. 16. 



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



H. sp. nov,? Laboratory, July 13-Aug. 12. 



H. sp. Field back of Hulls Cove, Aug. 22. 



Empis Linnaeus 



E. otiosa Coq. Bar Harbor (Br.) May 15. Nurseries sweep- 

 ing grass, May 25. 

 E. nuda 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. 



Rhamphomyia Meigen 



R. amplipedis Coq. Bar Harbor; S. W. Harbor, June 13-20. 

 R. Americana Wied. S. W. Harbor, June 24. 

 R. aperta Loew. Record of capture lost. 

 R. arcuata Coq. Seal Harbor, Sept. 8. 



R. basalis Loew. Bar Harbor; Echo Lake, June 7-July 12. 

 R. candicans Loew. S. W. Harbor; Long Pond, July 10-17. 

 R. debilis Loew. N. E. Harbor; Long Pond, June 29-July 16. 

 R. gilvipes Loew. Bar Harbor; S. W. Harbor; Long Pond, 



June 13-July 16. 

 R. gracilis Loew. N. E. Harbor; Bar Harbor, July 26- 



Aug. 18. 

 R. irregularis Loew. Long Pond, June 27. 

 R. liturata Loew. Bar Harbor, June 8. 



