78 PRIZE ESSAY : 



appeared to be depositing their eggs in the glumes of the ear in 

 the 7th or 8th July. Six or eight days subsequently live mag- 

 gots were produced. The earliest wheat was all destroyed. A 

 part of my wheat that was not fully in ear when the fly appeared, 

 was not so much injured. The tops of the ear had the maggots, 

 but the lower part that was not shot out was uninjured" (Evans). 

 Considerable injury from the wheat midge on the Island of 



Montreal. 



1836. 



Fly seen June 29th, and commenced depositing eggs in Lower 

 Canada on the 4th July. Wheat on the Island of Montreal 

 greatly damaged. The fly extended its ravages west and north- 

 ward of Montreal for many miles. 



1842. 

 Appeared in Western New York. 



1845. 

 Very destructive in Western New York. 



1846. 

 Approaching Seneca County, New York. 



1847. 

 Destructive in Townships north of Seneca County, New York- 



1848. 

 Appeared in Seneca County, New York. 



1849. 

 Committed ravages in the county of Lennox, Upper Canada. 

 Prevalent in Addington, Hastings and Frontenac. Disappeared 

 from Monroe County, New York. Destructive in Seneca Coun- 

 ty, New York. 



1850. 



Wheat midge greatly increased in the County of Hastings, 

 Upper Canada. Also in Prince Edwards and adjacent counties. 



