326 
Heavy infestations of the Mexican "bean "beetle were reported fron 
practically its entire known range. It extended its range northward in 
Michigan and westward in Tennessee. 
The squash "bug wa.s reported as unusually abundant and destructive 
fron Indiana and Nebraska southwest' -ard. to Kansas and New Mexico. 
Boll weevil infestations were generally heavy throughout the Cot- 
ton Belt, "being particularly troublesome in the South Atlantic States. 
The cotton leaf worn was very abundant and in many places quite de- 
structive throughout the Cotton Belt, and moths flew northward earlier 
than usual. In Maine a moth was collected on August 6 and in Michigan on 
August 23. 
Boll worm infestation of cotton was generally light. 
Cotton aphid- infestations were reported throughout the Cotton Belt. 
Very heavy damage "by the cotton flea hopper was reported from Okla- 
homa and Texas. 
Bagworms were attracting unusual attention over the greater part of 
the country, reports having "been received fron Delaware to North Carolina, 
westward to Illinois, and southward to Texas. 
Well-established infestations of the white spruce sawfly, a European 
pest, have been located over a considerable area, in Maine j Hew Hampshire, 
and Vermont. 
The larch sawfly has been discovered in northern Montana and threat- 
ens the larch stands in the upper Rocky Mountain region. This pest has 
not been recorded previously west" of the Mississippi in the United States. 
Very heavy damage to dahlias by the sunflower weevil ( Rhodobaenus 
tredecimpunctatus 111.) was reported from Illinois. 
Unusual numbers of saddle-bach caterpillars were observed in Ohio 
and Indiana, and reports of injury fron the sting of these caterpillars ' 
were very numerous. 
Reports of the occurrence of the black widow spider were very fre- 
quently received during the month in the South Atlantic, East Central, and 
North Central States. This spider was also reported fron the Greet Basin. 
Up to the end of July four cases of Rocky Mountain spotted fever were 
reported fron the State of Iowa. 
