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By the middle of the month the Mexican "bean beetle started to appear 
in the fields in the Middle Atlantic States. In North Carolina this insect 
is already doing considerable damage. 
The bean leaf beetle appeared in destructive numbers in the South 
Atlantic, last Central, and lower Mississippi Valley States. 
Brood VI of the periodical cicada started to appear during the last 
week in May in the District of Columbia and in near-by Maryland and Virginia, 
and in Adams County, Pa. Emergence in large numbers was recorded at this 
time from western South Carolina. 
The larch case bearer is reported as very prevalent throughout the New 
England States and in southern Pennsylvania. 
The black widow spider has been found in rather large numbers in eastern 
Maryland during the late winter and early spring months. 
The Argentine ant was recorded as having successfully overwintered out- 
side of greenhouses in Baltimore, Md. This is the northernmost record for 
establishment of this pest out of doors. 
