36i 
this species "brought on attacks of the screw worm fly. Ranchmen in 
California and in southern Oklahoma report recent severe outbreaks of 
screw worm flies. 
Oklahoma. 0. G. Babcock and C. F. Stiles (August 30): -- ne screw worm has 
been exceptionally abundant and destructive in western Oklahoma. In 
Carter, Jefferson, and Love Counties the average infestation of live- 
stock was reported to have reached 25 percent during the season. The 
infestation was less intense in the northern part of the State and 
ceased near the Kansas line. 
Few Mexico. W. B. Rogers (August 29): I learned from ranchers around 
Roswell that screw worms have been very prevalent there this season. 
Infestations as high as 90 percent were reported in some instances. 
STABLE FLY (Stomoxys calcitrans L. ) 
Florida. W. V. King (August 27): An investigation along the beach in the 
vicinit"' of Panama City on July 2k to 26 showed that there was very 
little accumulation of Sargassum , a kind of brown marine algae. Decay- 
ing piles of these plants were prolific stable fly breeding places last 
fall. Ho adult flies were noted on or near the beach at the time the 
investigations were made this year. 
Missouri. L. Haseman (August 2k): The stable fl3 r has been abundant during 
August. 
EYE GNATS (Hiupelates spp. ) 
Mississippi. J. P. Kislanko (August 19): Eye gnats have been quite annoy- 
ing in several southern counties for several weeks. 
HORSES 
HORSE FLIES ( Tabanus spp.) 
Missouri. L. Haseman (August 2k): During the first half of the month 
horse flies continued to be abundant , although by August 20 they were 
becoming less troublesome. 
Nebraska. LI. H. Swenk (Jul" 31): The lined horse fly (T. lineola Fab.) was 
reported as troublesome in Thurston County on July 19. 
HORSE BOTFLIES ( Gastrophilus spp. ) 
Iowa. R. W. Wells (August 27): G. intestinalis DeG. began ovipositing on 
laboratory horses at Ames on Jul-- 6. They have been ver"- scarce, how- 
ever, and not more than 50 or 60 eggs had accumulated on laboratory 
horses by July 31. Oviposition by G. nasalis L. was first observed on 
