'S9S BIOLOGICAL SURVEY OF 



PlOPIIILIDAE 

 Piophila Falldn 



P. casei Linn. Cheese-maggot fly. Bar Harbor; Salisbury 



Cove, . I une 7-July 25. 

 P. nigriceps Meig. Bar Harbor; S. W. Harbor, June 8-July 



11. 

 P. oriens Mel. & Spul. Bar Harbor, June 22. 



Mycetaulus Loew 



M. pulchellus Banks. Bar Harbor, Sept. 10-11. 

 M. sp. Record of capture lost. 



Lauxaniidae 



Lauxania Latroille 



L. cylindricornis Fab. Common, June 26-July 30. 



Minettia Desvoidy 



M. Americana Mall. (M. longipennis auct.). Bar Harbor, 



June 15. 

 M. lupulina Feb. Common, June 26-July 21. 

 M. obscura Loew. S. W. Harbor, July 13. 

 M. puncticeps Coq. They come to light at the laboratory in 



August. 



HOMONEURA Wulp 



H. citreifrons Mall. Bar Harbor ; Long Pond, June 13-Aug. 

 21. 



H. compedita Loew. N. E. Harbor; S. W. Harbor, Bar Har- 

 bor, July 6-30. 



H. deceptor Mall. Sand Beach, Great Head; Long Pond. 

 July 13-16. 



H. disjuncta Johns. Common, June 13-July 12. 



H. fraterna Loew. Green Mt., Aug. 17. 



H. frontalis Loew. N. E. Harbor (Minot) ; Bar Harbor, 

 July 1-11. 



