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August 21; in Michigan on August l6; and in Wisconsin on August 15. 
First adult of the second brood of plum curculio appeared in Maine on 
August 20. In Georgia 69 percent of the females started to deposit eggs by 
August 20. 
Heavy infestations of the grape leafhopper were reported from northern 
Indiana and Ohio. 
The walnut caterpillar was very prevalent in southern New England, Middle 
Atlantic, and- East Central States, and southwestward to Oklahoma. 
False chinch bug is generally prevalent from Kansas to New Mexico and 
Nevada. 
Very heavy populations of squash bugs were reported to be seriously 
damaging many cucurbit ace ous plants in New York, Virginia, Iowa, Missouri, 
Nebraska, and Utah. 
A rapid increase of boll weevil was reported in the South Atlantic , States 
and in southeastern; Texas; however, the. season is well advanced and much cotton 
already mode. 
The- cotton leaf worm has been reported more abundant in Florida than at 
any time since 1912. The insect was generally reported in small numbers over 
the greater part of the Cotton Belt. 
Cotton flea hopper injury was.- in general, very low throughout the Cotton 
Belt. ' \ ," 
Heavy losses of cotton in the Imperial Valley, caused by the outbreak of 
the cotton leaf perforator, occurred during the first 3 weeks in August. The 
insect was also reported from Arizona. 
Fall webwnrm outbreaks, in some-cases of considerable intensity were re- 
ported from the North Central, Middle Atlantic, South Atlantic, East Central 
and Gulf States. 
Elms in the New England States were seriously browned by the elm lacebug. 
This insect was also reported as damaging elms in Florida. 
Thousands of acres of forest in Maine have been defoliated by the European 
spruce sawfly. 
A detailed report on screwworm infestation will be found in this number of 
the Survey Bulletin. 
An unusually severe infestation of stableflies is reported from the North' 
Central States. 
Brain fever of horses, transmitted by mosquitoes, has become so serious in 
the North Central States as to glut the market with dead animals at rendering 
plants. 
