Biological Papers. 199 



Family Dolichopodid^. 

 Psilopodinus scobinator Loew. June, twilight. 



Diaphorus spectabilis Loew. June, twilight; July, twilight; August. 

 Asyndetus syntermoides Wheeler. July. 

 Chrysotus auratus Leow. June. 



longimanus Loew. July. 



obliquus Loew. June, twihght; July; August. 



pallipes Loew. July, twilight. 



picticarnis Loew. August. 



vividus Loew. May. 

 Sympycnus hneatus Loew. May; May, at night; June; June, twilight; July, 



twilight. 

 Dolichopus vittatus Loew. June, twilight. 

 Gymnopternus crassicauda Loew. June, 

 hurnilis Loew. June. 



Family Empidid^. 

 Drapetis latipennis Melander. June. 

 Syneches pusillus Loew. July, twilight. 

 Rhamphomyia irregularis Loew. April. 



Family Lonchopterid^. 

 Lonchoptera lutea Panz. May. 



Family Phorid^. 

 Phora incisuralis Loew. June, twilight. 



multiseriata Aid. May. 

 Aphiochaeta agarici Lint. May. 

 epeirae Brues. May. 

 longifrons Brues. June, twilight. 



Family Platypezid^. 

 Platypeza obscura Loew. July, twilight, 

 pallipes Loew. June. 



Family Pipunculid^e. 

 Chalarus spurious Fal. June, twilight. 

 Pipunculus atlanticus Hough. June, twilight, 

 fuscus Loew. July, twilight. 



Family Syrphid^. 

 Chrysotoxum laterale Loew., var. September. 

 Pipiza pisticoides Will. Sedgwick county; April. 

 Myiolepta nigra Loew. May, in window. 



varipes Loew. May. 

 Ocyptamus fuscipennis Say. July. 

 Rhingia nasica Say. June, twilight. 

 Ceria willistonii Kahl. June. 



Family Tachinid^. 

 Eulasiona comstockii Twns. April. 

 Electops melissopodis Coq. October. 

 Hypostena barbata Coq. Sedgwick county; April. 



