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egg laying; as a result, during the summer of 192U, this 
insect was quite numerous ever most of the wheat districts of 
the State. That fall and this past fall the season was quite 
cold and rainy, rith the result the Hessian fly was "resent 
in very small numbers this past year end cur counts this fall 
show even less infestation. 
A, A a Cranovs-ky: Being attached to 'ore of the branch experiment 
sstations, which is located at Sturgeon Bay, Door County, Wis., 
1 had the Opportunity to observe considerable damage caused by 
the Hessian fly during the summers of 1923-2U. -This last summer, 
1925, the Hessian. fly was. 'a very unimportant factor, though 
present in a few grain fields. The only reason -that I can think 
of fc.U the reduction of the Hessian fly infestation this last 
summer is- the fact that we had a prolonged, rainy season in 192U. 
This, no doubt ,' pr evented the Hessian fly from ovipositicn on fall 
wheat seedlings^ 
S a 3„ Fracker: This insect is rare in -Wisconsin and has not been 
of economic importance for several decades. Wisconsin grows 
only 65,000 acres- of winter .wheat and this is widely scattered 
in localities. varying from year to year. Since the insect pest 
survey was established the Hessian fly has been collected in 
Piichland County in 1921, in Dane County in 1922, and in 
Trempealeau and Door .Counties in 1923 and 1924„ There are no 
notes for 1925 except the observations of A,- .4. Grancvsky of the 
agricultural experiment station at Sturgeon Bay* 
Illinois W. P. Hint: The examinations of early sown wheat fields in all 
parts of the State have shown a heavy infestation by the Hessian 
fly in all wheat sown up to- within a week or five days of the 
normal fly-free date, wheat sown after the fly-free' date, or a 
few days be fore , shows almost no infestation. Apparently in the 
early sown fields, numbers of the eggs and very small larvae 
were killed by the unusually cold weather occurring during 
October. The fly is practically all in the ],arge maggot Or flax- 
seed stage , and there is every indication that it will survive 
the winter. Volunteer wheat is not -quite so abundant as in the 
fall_ of 1924, but is -present in many fields in sufficient quantity 
to carry through a considerable brood of the fly to next spring. 
Minnesota A s G* P.uggles: The 'Hessian fly has not given us any serious 
trouble for a number of years,, I have seen it in winter wheat 
several times but the damage was net at all serious. 
Iowa Carl J. Drake: Iowa suffered no commercial Hessian fly losses 
in 1925* This is the result of an intensive Hessian fly campaign 
carried on during the last three years. From 90 to 100 per cent 
of the farmers in the principal winter-wheat -growing region <->f the 
State cooperated and in the fall of 1 924 p U t off drilling until 
the safe date was announced. 
The past fall, 1925, some of -the- farmers in Plymouth, Monona, 
and Harrison Counties drilled a little too early and there will 
