382 BIOLOGICAL si'KVKV OF 



Agathomyia Verrall 



A. mitata Loew. Bar Harbor; Duck Brook; S. W. Harbor, 



July 24-30. 

 A. pulchella Johns. Bar Harbor; Witch Hole Pond, July 



22-Aug. 18. 

 A. talpula Loew. Echo Lake; Long Pond, July 27-July 16. 



Callimyia Meigen 



C. velutina Johns. Duck Brook ; Long Pond, June 13- 

 July 16. 



Platypezoides Johnson 



I*. diversa Johns. Bar Harbor, Sept. 11. Type locality. 



Platypeza Meigen 



P. anthbax Loew. Echo Lake; Bar Harbor, Sept. 7-10. 



P. banksi Johns. Laboratory Sept. 30. 



P. pallipes Loew. (Calotarsa ornatips Town. $ ). Echo 



Lake; Bar Harbor, Sept. 7-10. 

 P. velutina Loew. Long Pond, Aug. 31. 



Microsania Zetterstedt 



M. stigmaticalis Zett. "Mt. Desert,' ' July 31 (McAtee). 



Pipunculidae. The Big-headed Flies 



The larvae arc parasitic on bugs and the adults are found 

 where the hosts abound. 



Chalarus Walker 



C. spurius Fall. Bar Harbor, Aug. 16. 



Verrallia Mik 



V. iii.osa Zett. Bar Harbor; S. W. Harbor, June 7-17. 



