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INSECTS ATTACKING M ANA N D 
D M E S T I C ANIMALS 
MAN 
A MOSQUITO ( Aedes cantator Coq.) 
Delaware. L. A. Stearns (April 23)': Abundance of half-mature larvae ob- 
served in salt marsh areas about Rehoboth Bay, Sussex County. 
BOXELDER BUG ( Leptocoris trivittatus Say) 
Michigan. E. I. McDaniel (April 11): The boxelder bug has been increasing 
in numbers in Michigan for the last 3 years. From the first of January 
to the 10th of April complaints have been received from many localities. 
Iowa. C. J. Drake (April 27): Boxelder bugs are being reported from ell 
over the State. 
Nebraska. M. H. Swenk (April 20): Reports of boxelder bugs were received 
from Howard and Pierce Counties on March 22 and March 27, respectively. 
Utah. G. F. Knowlton (April 2): Boxelder bugs are very annoying at an 
' electric power plant in Logan Canyon. 
SAND ELIES ( Chironomidae) 
Mississippi. C. Lyle and assistants (April 23): Sand flies are very 
abundant and annoying in sections of pascagoula and Moss Point. 
Missouri. L. Haseman (Y^pril 23): An epidemic of>a fair-sized species of 
punky has been annoying livestock and man at Columbia,. 
BLACK WIDOW SPIDER ( Latrodectus mactans. Fab.) 
Louisiana. H. A. Jaynes (March 28): A spider was collected on the gang- 
plank of a boat at Houma, and was determined as the blecK widow. 
Missouri. L. Haseman (.April 23): The first specimen of the black widow 
spider, a full-grown female, was brought to the office on April 22. 
Nebraska. M. K. Swenk (April 20): Inquiries or reports of black widow 
spiders came from Harlan and Vv'ebster Counties on March 31 anc * April 2, 
respectively. 
Utah. G. F. Knowlton (;pril 20): Hack widow spiders have recently been 
picked up at Kaysville, Layton, Logan, Clearfield, Farmington, and Ogden. 
They appear to be fairly abundant in these localities. 
