Ohio 
-307- 
EOHCES 
BLACK I'CRSE FLY ( Tub?.uus a tratus Fab. ) 
E. F. Hendenhall (August 0): The mourning horse fly is c iuite 
common in the southern part of the State and Q.uite annoying to 
st ck. 
STABLE FLY ( Stomoxys calci trans L. ) 
Texas F. C. Bishopp (August): The abundance of this livestock pest has 
varied considerably in different sections of northern Texas. Re- 
ports from Denton County indicate serious annoyance from the fly. 
In this section farmers have complained of the flies being so nu- 
merous as to render the working of mules and horses in the fields 
difficult. This rather heavy abundance appears to extend north- 
-.Tard ^.i:vo Cc-''. and Grayson Counties. Dairymen in the vicinity of 
Dallas report much less trouble from this fly this season thru. 
usual. 
HORN FLY ( Haematobia irritans L. } 
Texas F. C. Bishopp (August 25): Morn flies have been present in about 
the usual numbers this month. On this date the number per animal 
ranged from 75 to 700 up to 250 to 2,000. 
SCREW T7GRM ( Cochliomyia macellaria Fab. ) 
Texas F. C. Bishopp (August 26): Scre-.v vrorms have continued to cause 
losses among all classes of stock throughout August, though the 
number of ccses has greatly decreased from that of July. Shear- 
ing of goats and sheep has begun in south-jest em Texas, and most 
ranchmen are endeavoring to reduce the number of shear cuts so 
as to avoid screv norm injury as far as possible. The trapping 
of screv -;;orm flies has continued inthe sections -.here this nas 
begun systematically in the spring. But the number of flies 
captured has decreased during August. Scre-r-Torm cases have been 
reported to be more numerous than usual during this season in 
eastern Texas as uell as in the range country of southwestern 
Texas. 
SHELF 
A SAND FLY ( Culicoides variipennis Co . . ) 
Texas F. C. Bishopp. "(august o): This sand fly is causing some annoyance 
to livestock, especially sheep, and also to men -or king in the 
