INSECTS INJURIOUS IN 1902. 15 
26th bugs were found in all plats upon the millet which was then 
well up, and it was also-found that the wheat was injured some- 
what in spots by the emulsion, but not sufficient to annul the ex- 
periment. It was later harvested and threshed. I believe that if 
the millet had been planted earlier, perhaps at the same time as 
the wheat the bugs would have been effectually prevented from 
entering the plats. About July 21st the grain crop on the farm 
was harvested and the Chinch Bugs migrated to corn in large 
numbers. At this time numerous complaints began to reach us 
from farmers in the central, eastern and southern parts of the 
State. On August 7th at the request of the late John Woodbury 
representing the St. Francis Milling Company, I went to that 
place and found the pest in great numbers. Upon the farm of 
David Stewart the bugs had reached the 15th row of corn as 
they had also on the farm of W. M. Corbin. Upon the place of 
John McDonald I found the bugs in corn as far as the 25th row 
and he stated that he had lost 25% of his Scotch Fife wheat 
through their injury and that the remaining wheat was hardly 
marketable. He further stated that July 28th was the date when 
he first observed the bugs migrating to the corn. We note in this 
connection that the habits of this pest differ in different latitudes. 
In eastern Kansas for instance, the migration is about two weeks 
earlier. Mr. McDonald claimed that where the bugs were con- 
gregated about pigeon grass in the corn and elsewhere they could 
be killed by covering to the depth of three inches with dry sandy 
soil. This may be so where the soil is very sandy or dusty, but a 
trial upon my part later, at St. Anthony Park, failed to corrob- 
orate this statement. Farmers in this section were shown how to 
make a dust furrow and tar line and some availed themselves of 
the information immediately. Thousands, yes, millions of bugs 
were observed migrating in the vicinity, yet it was reported that 
the pest was even worse north of St. Francis in Isanti county. 
On August 14th James Hanna near Forest City was visited; he 
stated that he would lose at least one-half of a twelve acre piece of 
fodder corn owing to the injury caused by the Chinch Bug. He 
further said that much of the injury ascribed to Chinch Bugs was 
really due to Hessian Fly, farmers in that neighborhood not being 
so familiar with the fly as they were with the former insect. 
