DEER FLIES ( Chrysops spp. ) 
Utah. G. F. Knowlton (July 21): 0. fnlvastra Will, and C. di seal is Wied. 
extremely annoying to man and livestock in meadows and near moist 
areas at Fielding, Collinston, Penrose, Syracuse, Farmington, 
Centerville, and Appledale. 
CATTLE 
SCREWWORM ( Cocbliomyia americana C . & P . ) 
Georgia. A. L. Brody and E. E. Rogers (July 22) : Unusual abundance of 
cases reported in Brooks and Lowndes Counties. At least 3 infesta- 
tions per day on lp animals found at Valdosta during the last month. 
An exceptional loss in young pigs during the last month reported 
from Lowndes County. 
STABLEFLY ( Stomoxys calcitrans - L. ) 
North Dakota. J. A. Munro (July 20): Reported as particularly abundant 
on cattle in Stutsman County. 
South Dakota. H. C. Severin (July 18): Apparently more abundant than 
usual . 
Kansas. H. R. Bryson (July 20): Ahundant and causing unusual amount 
of annoyance around barns and to animals on pasture 
HORN FLY ( Haematobia irritans L.) 
Georgia. A, L. Brody and E. E, Rogers (July 22) : More abundant at 
Valdosta than at any time during the last year, about 5 00 per animal. 
Kansas. H. R. Bryson (July 20): Abundant and unusually annoying around 
Darns and pastures. 
Texas. W. G. Bruce (Juno 30) : Fairly abundant in the vicinity of 
Dallas since the middle of May, infestations on cattle ranging from 
200 to 2,000 flies per head. 
CATTLE GRUBS ( Eypodorma spp.) 
Washington. L. G. Smith (July 5): Dairy cattlo 
County , being attacked by heel flies on June 
cattle in the locality of Woodland, Cowlitz 
June 20. 
near Allen, 
21. (July 11) : 
County, bothered 
it 
Dairy 
on 
SHORT-NOSED CATTLE LOUSE ( Haematopinus ouryst ornu: 
Texas. 0. G. isabcock (July): Infestations have decreased 
during July. 
Nitz. ) 
to the minimum 
