314 BIOLOGICAL SURVEY OF 



MicROCHRYSA Loew 



M. POLITA Lhin. Common, July 17-Aiig. 15. 



COENOMYIIDAE 



Search for these aromid wet places in woods. Larvae live 

 in decaying wood. 



Xylophagus Meigen 



X. RUFiPEs Loew. strawberry Hill ; Bar Harbor, June 9, 1921. 



Tabanidae 



BuPLEX Austen 



B. TRANQuiLLA 0. S. Common, July 20-Aug. 13. 



Chkysops Meigen. Deer or Moose Flies 



All of the species in this genus appear with us in June and 

 frequent open places in and along the borders of woods. They 

 disappear about the first of August. 



C. CALLiDA 0. S. Salisbury Cove, July 24-Aug. 7. 

 C. cARBONAEiA 0. S. Commou, June 11-July 15. 

 C. CELER 0. S. Salisbury Cove, July 13-Aug. 11. 

 C. ExciTANs Walk. Common, June 7-July 20. 



C. FEiGiDA 0. S. Common, June 9-July 18. 



C. FULiGmosA Wied. Narrows, June 26 ; S. W. Harbor, Julv 



9 (Fernald). 

 C. LATERALIS Wicd. (hUaris 0. S.). Salisbury Cove; Bar 



Harbor, July 14-Aug. 12. 

 C. MiTis 0. S. Sargent Mt. ; Bar Harbor, June 7-July 10. 

 C. NIGER Macq. S. W. Harbor, June 21-July 10. 

 C. STRIATA 0. S. Bar Harbor; Eden, July 20-25; Penikese, 



Aug. 5. 

 C. viTTATA Wied. Bar Harbor ; Salisburv Cove, Julv 13-Aug. 



10. 



