INSECT PEST S U R V E Y BULLETIN 
Vol. 20 1940 Index 
No . _ Page 
"Alfalfa weevil scouting, 1940," article By J. C. 
Hamlin 7(Sup.) 429-431 
Bess, H. A.: "Insects Breeding in hurricane-felled 
timber in New England" 5 279“2S0 
Bradley, W. G. : "Colonization of European corn Borer 
parasites in 1040. " With C. A. Clark 9(Sup.) 53 3“532 
"The field status of parasites of the 
European corn Borer at the close of the 1939 
season." With C. A. Clark 9(Sup.) 525-532 
CallenBach, J. A, : "Populations and host preferences 
of June Beetles in southern Wisconsin in 1940." 
With others, 9( Sud. ) 539“54l 
Cartwright, W, B.: "Hessian fly survey at harvest 
time, lo4o!'* : g(Sup.) 4g3-4s4 
Chamberlin, T. R, 5 "Populations and host preferences 
of Juno Beetles in southern Wisconsin in 1940." 
With others. 9(Sup.) 539~54l 
"Chinch Bugs, populations in hibernation, November- 
Dee ember 1939*" article By Division of Cereal and 
Forage Insect Investigations and Division of 
Domestic Plant Quarantines l(Sup.) 35-36 
Clark, C, A,; "Colonization of European corn Borer 
parasites in 1940." With W, G. Bradley 9(Sup») 533“53^ 
"The field status of parasites of the 
European corn Borer at the close of thel939 season." 
With W. G. Bradley 9 (Sup.) 525-532 
"European corn Borer, damage in 1939* estimates of," 
article By A. M. Vance ' l( Sup. ) 37“ 39 
"European corn Borer, damage in 1Q4 o, estimates of," 
article By A. M, Vance 9(Sup.) 555~557 
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