THE MOUNT DESERT REGION 411 



Tetanocera Dumeri] 



T. clara Loew. Duck Brook; Bar Harbor, Aug. 18. 



T. elata Fab. Narrows, July 27. 



T. plebeia Loew. Common, July 2-24. 



T. rotuxdicornis Loew. S. W. Harbor, July 15. 



T. triangularis Loew. Witch Hole Pond; Eden, July 30- 



Aug. 7. 

 T. unicolor Loew. S. W. Harbor; Bar Harbor, July 15- 



Aug. 10. 

 T. valida Loew. Common, July 16-Aug. 7. 

 T. vicina Macq. S. W. Harbor; Eden, July 11-Aug. 11. 



DlCTYOMYIA Cicsson 



D. ambigtja Loew. Great Heath, Aug. 17. 



Euthycera Latreille 



E. borealis Cress. Station F130, A scarce form. 



Elgiva Meigen 



E. lineata Fall. Salisbury Cove, July 8-24 (Sanford). Com- 

 mon in meadow south of the town, Aug. 7-11. 



Trypetoptera Hendel 



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



Limnia Desvoidy 



L. boscii 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 Fitch. Common, June 15-Sept. 13. 



Chyromyidae 

 This small family is said to frequent the sea coast. 



Chyromya Desvoidy 



C. flava Linn. "Mt. Desert," July 28 (McAfee). 



