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State Geological and Natural History Survey 



Bulletin No. 64 



GUIDE 



TO THE 



INSECTS OF CONNECTICUT 



U.S. HATL^ W3St 



PART VI. 



THE DIPTERA OR TRUE FLIES 

 OF CONNECTICUT 



First Fascicle 



External Morphology; Key to Families; 

 Tanyderidae, Ptychopteridae, Trichoceridae, Anisopodidae, 



Tipulidae. 



By 



GUY C. CRAMPTON, Ph. D. 



Professor of Entomology, Massachusetts State College 



CHARLES H. CURRAN, D. Sc. 



Curator of Insects, American Museum of Natural History. 

 CHARLES P. ALEXANDER, Ph. D. 



Professor of Entomology, Massachusetts State College 



With an introduction by 

 ROGER B. FRIEND, Ph. D. 



Entomologist, Connecticut Agricultural Experiment Station 



HARTFORD 



Published by the State 



1942 



