-89- 
INSECTS ATTACKING MAN AND 
DOMESTIC ANIMALS 
MAN 
HUMAN PLEA (Pulex irritans L. ) 
Indiana and Missouri. E. C. Cushing (April 25): Reports received from 
several localities in Indiana and Missouri indicate that the human 
flea is beginning to appear and has already "become abundant enough 
to cause considerable annoyance in dwellings. 
BROWN SALT-MARSH MOSQUITO ( Aedes cant at or Coq.) 
Delaware. L. A. Stearns (April 15) : Larvae and pupae of this species are 
abundant in water holes on salt marsh near Odessa. 
CLUSTER ELY ( Pollenia rudis Eab.) 
Ohio. N. E. Howard (April 21): Very abundant in a house at Worthington 
during February and March. 
Indiana. J. J. Davis (April 2o): The cluster, or attic, fly was frequently 
reported from the northern half of the State during March and the 
early part of April, as being very annoying in homes. 
Michigan. Ray Hutson (April 20): The cluster fly has been reported from 
Oxford, Delta, Dimondale, and Charlotte, as causing annoyance in 
houses. ; 
Wisconsin. C. L. Eluke (April 20): There is practically no insect activity 
except appearances of large numbers of cluster flies. 
TROPICAL RAT MITE ( Liponyssus bacoti Hirst) 
Texas. R. E. McDonald (April ll): Mites taken from a bedroom in San 
Antonio on April 6 have been identif ied-as the tropical. rat mite. 
CATTLE 
TRUE SCREW WORM ( Cochliomyia americana C. & P. ) 
Texas. E. C. Cushing (April 25): A survey of Jackson, Matagorda, and 
Brazoria Counties on April 2, by W. J, Spicer, shows that screw worms 
have not yet become active in this section of Texas this season. Most 
of the infestations in these three counties this season have been 
due to Phormia spp. 
CATTLE GRU3S ( Hypo derma spp.) 
Illinois. E. C. Cushing (April 25): A scarcity of ox warble grubs was 
reported in the vicinity of Galesburg. 
