\\t Cniiiultan Xntoumlcr^bt. 



VOL. XXVII. LONDON, JUNE, 1895. No. 6. 



THE INSECT FAUNA OF THE SUDBURY DISTRICT, ONTARIO. 



BY JOHN D. EVANS, TRENTON. 



Prior to the advent of the Canadian Pacific Railway, in the year 

 1883, this district was entirely unsettled, being, in fact, a ferra incognita to 

 all except servants of the Hudson Bay Co., officials of the Geological 

 Survey, and Provincial Government surveyors. But it had been devas- 

 tated to a large extent by forest fires, which occurred at intervals during 

 a period of some fifty or sixty years previously. These fires entirely 

 destroyed ihe virgin forest (which consisted chiefly of white pine) over 

 large tracts, by killing the trees and leaving them susceptible to the 

 attacks of their insect enemies, and presenting at that date (1883) a deso- 

 late appearance, caused by the thickly-standing tall bare trunks and stubs 

 of trees, among which had sprung up a thick growth of saplings of white 

 birch, poplar, etc. 



To this great destruction of timber, left to the mercy of its many 

 insect foes and their ])arasites, etc., may no doubt be attributed the 

 great variety and numbers of insects of the various orders, not to mention 

 the pests of human existence, viz., mosquitoes, and black and sand-flies, 

 the wood borers being especially numerous, both specifically and numer- 

 ically. 



Isolated patches of green pine forest were, however, left untouched 

 among the general destruction, one of which was in the immediate 

 vicinity of the town of Sudbury. This timber was utilized in the construc- 

 tion of the railway, and in after years the bark-covered stumps afforded 

 a great number of a large series of species of insects to those in search of 

 such inhabitants. 



The writer, during a period of some seven seasons, collected in the 

 several orders enumerated below, in the lists of which will appear the 

 names of all the species he has as yet had worked out and determined. 



List of Coleoptera. 



In the fi)Uowing list, containing 494 species, there are sixty-five 

 species not enumerated in the Society's list, but of these, four have been 



