Report of the Entomologist and Botanist . anitoba. THE HESSIAN FLY (Cecidoniyia destructor, Say). The remarkable and almost entire disappeaiance of the Hessian Fly from the wheatfields of Ontario in 1902 after the excessive injury in 1901, is a subject of constant andgrateful comment by correspondents. There has been, however, slight injury in PrinceEdward Island. A few straws containing puparia were sent in by Mr. E. Wyatt, ofPleasant Grove, , but the loss in the field from which they were taken was hardlyperceptible, and no other correspondents make mention of it. In travelling through
Report of the Entomologist and Botanist . anitoba. THE HESSIAN FLY (Cecidoniyia destructor, Say). The remarkable and almost entire disappeaiance of the Hessian Fly from the wheatfields of Ontario in 1902 after the excessive injury in 1901, is a subject of constant andgrateful comment by correspondents. There has been, however, slight injury in PrinceEdward Island. A few straws containing puparia were sent in by Mr. E. Wyatt, ofPleasant Grove, , but the loss in the field from which they were taken was hardlyperceptible, and no other correspondents make mention of it. In travelling throughPrince Edward Island in August last, I could neither hear of nor see any trace of thispest. The most notable attack by the Hessian Fly in 1902 has been in the wheat cropof Manitoba, and several specimens of injured straws were received in September andOctober. Reports were also received in June of injury to the root shoots of growingwheat at Treesbank, Man. This attack at the root is very seldom noticed by farmers, 174 EXPERIMENTAL FARMS.
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