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-eather continued, thus indicating that screw-worm troubles '.Till 
extend well into the summer. 
STABLE FLT (S tomoxys calci trans L.) 
Virginia F. C. Bishopp (May k): A fev: stable flies -.vere observed biting 
cattle in the vicinity of Leesburg. As yet they are causing 
very little annoyance. 
F. 2. 3ishopp"(May 28): This fly is causing some annoyance to 
dairy cattle, the number per head ranging from 10 to 75- There 
has been no material change in the abundance of the stable fly 
during the last month. (-June 25): Stable flies are about normal 
in abundance. Some herds are bothered very little, while others 
are suffering considerable reduction in mill: from the attack of 
these flies combined with horn flies. 
E3H1T FLIES ( Eaematobia irritans L. ) 
Virginia 7. 0. Bishopp (May U) : Horn flies are now present in considerable 
numbers on dairy herds in the vicinity of Leesburg and appear to 
be increasing rapidly. The number ranges from 10 to 75 P 61 " head. 
Texas F. C. Bishopp (Hay 28): Horn flees have not been so abundant on 
cattle in the vicinity of Dallas as would be expected from the 
climatic condition:-. The number at this time ranges from % to 
1.0C0 per head, but the average is apparently less than usual at 
this time of .the year. Only a few dairymen are using fly sprays. 
(June 25): Harly in June horn flies -ere very abundant in this 
vicinity (Dallas) and caused considerable losses to the dairymen. 
They decreased slightly toward the end of the month, and on this 
date the average number per cow ranges from 200' to 3,000. They 
are also causing great annoyance tc range cattle in the vicinity 
of Menard. They are especially abundant along the river, tfhere 
the cattle are Keeping up a constant fight against them. 
BLACK BL017FLY (Fhormia regina Meig. ) 
Virginia T. :. Bishopp ( ): A number of cases of . ts in "ounds 
and in herds of cattle after dehorning have occurred in the vici- 
nity of Leesburg recently. 
OX HAR3L3 ( EvDoderma bovi g DeG. ) 
Virginia F. C. Bishopp (Hay h): A number of herds of cattle examined show 
an average infestation of this- grub of about one per animal 
iLeesourg) . Host of the grubs are , but some are still in 
; third ins t< r. 
