-21 6- 
1 or 2 percent of the calves dropped during the last 6 weeks were 
infested and that they usually healed with one treatment. Hogs in 
the northern part of Osceola. County and in the southern part of Orange 
County have keen infested. One herd of 60 hogs liras about 20 percent 
infested. 
California. A. ¥. Lindquist and C. C. Deonier (April 28): Reporters feel 
certain that JO. man ell aria F. and _C. americana are nonexistent north 
of Sacramento# and will remain so unless brought in by infested 
livestock. . 
STADLEFLY ( Stomonys calcitrans L.) 
Florida. ¥. E. Dove (Hay 19): Adult dog flies on range cattle vary from 
2 or 3 to 10 or 15 per animal. 
Missouri. L. Haseman (May 26): Stablef lies were observed annoying livestock 
in central Missouri by the middle of May. 
HORHFLY ( Haematobie, irritans L.) 
Florida. F. C. Dishopp b ’ m (May 20-27): A dairy herd near Hew Smyrna 
Deach had an average of about 200 horn flies per animal, H-' 1 ; : 
Cattle near Pensacola average about 300 horn flies per head. 
¥. E. Dove (May 22): From 200 to 3»000 horn flies were observed 
on individual animals on the range in. the lowlands. 
CATTLE GRUBS ( Hypo derma, spp.) 
Utah. G. F. Knowlton (May 20 ) : Dots are present generally in the backs of 
cattle in Sanpete County and on May 22 they were found on cattle at 
Heber, in Wasa,tch County. 
HORSE FLIES (Tabanidae) 
Florida,. ¥. E. Dove (May 20) : Several species were observed e/fc tanking 
cabtle and hogs near Panama, City. Annoyance is ra.tlier severe. (May 23 ) 
Livestock near Fort Pierce observed to be considerably annoyed by 
horse flies. 
SHEEP 
SHEEP BOTFLY ( Oestris ovis L.) 
Utah. G. F. Knowlton (May 20) : Each year some sheep, usually old ewes, die 
of head maggots in Sanpete County. 
FLEECE WOBMS ( Phormia sp.) 
Florida. ¥. E. Dove (May 19 ) • Fleece worms i^ere observed by ranchmen on 
one medium wool sheep at Bonifay, and shearing has been in progress 
in northwestern Florida during the la,tter half of May. 
