NuMLJER 53 April i8, 191^ 



OCCASIONAL PAPERS OF THE MUSEUM OF 

 ZOOLOGY 



UNIVERSITY OF MICHIGAN 



Ann Arbor, Michigan Published by the University 



DIPTERA COLLECTED ON WHITEFISH POLXT, 

 CHIPPEWA COUNTY, MICHIGAN 



By a. W. Andrews 



While engaged in detailed coleopterological studies as a 

 member of the Shiras Expeditions sent out from the Museum 

 of Zoology, University of Michigan, to the \\'hitefish Point 

 region in the Northern Peninsula of Alichigan in 1913 and 

 1914, the writer became interested in the complex dipteran 

 fauna there. As extensive collections were made in that order 

 as his special work permitted. These collections were begun 

 in 1913 in the month of July, and they were continued during 

 a part of the same month and the first few days of August of 

 the following year. No attempts were made to collect 

 Tipuhdse, Culicidae or the great number of the smaller species 

 which can be secured by beating, sweeping and detailed search 

 in the proper habitats. 



The Whitefish Point region may be called a fly country 

 preeminent. The Diptera seem to preponderate in sheer 

 numbers over all other insects, and in all too many cases are 



