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History in United States; origin of name; any investigations; habits; 
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Natural history of fly; descriptions; seasons; parasites; notes from Harris’ 
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Correspondence touching on several phases of hessian fly and control; Miss 
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Injury in Ontario and Saskatchewan. 
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Introduction into Canada; life history; remedial measures. 
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Fly in Manitoba, p. 863. 
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[LETTER TO CANADIAN MINISTER OF AGRICULTURE.] Canada Expt. Farms 
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Letter transmitting fly report. 
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INSECTS AFFECTING GRAIN AND FIELD CROPS, GARDEN AND GREENHOUSE. 
Canada Dept. Agr. Dominion Ent. Rpt. 1916-17: 9-11. 1917. 
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OF THE HESSIAN FLY. Mem. N.Y. Bd. Agr. 2: 169-171. 1828. 
Origin; why fly thrives during dry seasons. é 
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A PRELIMINARY ACCOUNT OF TWO SERPHOID (PROCTOTRYPOID) PARASITES OF 
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Distribution, life-history and seasonal-history observations on Platygaster 
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PLATYGASTER VERNALIS MYERS, AN IMPORTANT PARASITE OF THE HESSIAN FLY. 
Jour. Agr. Research 25: 31-42, illus. 1928. 
Introduction; economic importance; distribution; stages of development; 
habits; seasonal history; certain ecological considerations. 
