356 BIOLOGICAL SURVEY OF 



Trypetopteba Hendel 



T. CANADENSIS Macq. (T. pallida Loew), Eagle Lake, July 18. 



LiMNiA Desvoidy 



L. BOSCH var. sparsa Loew. Common, June 13-July 30. 



L. Boscii Desv. Common, July 17-Aug*. 11. 



L. costalis Loew. Eagle Lake, July 18. 



L. SARATOGENsis Fltch. Commoii, June 15-Sept. 13. 



Chyromyidae 

 This small family is said to frequent the sea coast. 



Chiromya Desvoidy 



C. ELAVA Linn. 'Mt. Desert,' July 28 (McAtee). 



PSILIDAE 



The larvae live in the roots of plants and the adults are 

 found in moist shady places. 



LoxocEUA Meigen 



L. coLLARis Loew. Flying Mt. ; Echo Lake, Aug. 26-29 



(Alexander). 

 L. CYLINDRICA var. PLEURiTicA Locw. Echo Lake ; Lond Pond ; 



Witch Hole Pond, June 17-July 30. 



PsEUDOPsrLA Johnson 



P. COLLARIS Loew. Upper Hadlock Pond; Bar Harbor, June 



11-Sept. 11. 

 P. FALLAX Loew. Bar Harbor; Long Pond; S. W. Harbor, 



Aug. 16-22. 

 P. PERPOLiTA Johns. Duck Brook; Sand Beach near Great 



Head, Sept. 11-13. 



