-329- 
i 
Juno. Since then there has "been a gradual decrease over this area. The 
"build-up at present in the traps is indicated from Port Davis to Ozona, 
and is about 50 percent more than it was in the Gulf Plains area. Tho 
traps east of San Antonio do not indicate any considerable "build-up to 
the first of. July, but migration has been indicated to western Louisiana, 
\7h0rc larvae were taken the first of July. Over the entire State infesta- 
tations of £. americana have been practically normal. The northern limit 
in Texas and Oklahoma at present appears to be ab~ut the central Panhandle 
in Texas and the central and southern parts of Oklahoma. .The migration 
north .was. not quite so rapid during June and July as it was last year. 
* - * 
New Mexico. W. E. Dove (July 30) : * n New Mexico 607 cases were reported among 
1^3»15p animals. ' 
Arizona. D. C. Parman (July 28): Records indicate that 0. americana has 
completed migration across the southern desert area and is established on 
the esco-rpments at Wickenburg. To the present the buildup ho,s not been 
very considerable at any point but the areas in southeastern Arizona, 
about Nogalcs, Fairbanks, and Douglass, indicate appreciable build-up, 
being 10 percent as high as the infestation in west-central Texas. 
17. E. Dove (July 3°) : Prom 17.329 animals, 33 infestations were 
reported. 
. STABLEFLY ( Stomoxys calcitrans L.) 
Maryland. 0. H. Bradley (July 28) : Stableflies were quite troublesome in the 
vicinity of Ocean City in the early part of July. 
m 
Iowa. P. C. Bishopp (July 6): In traveling across Iowa and eastern Nebraska 
I found much evidence of stablefly attack on livestock. Cattle and horses 
were observed bunched together and fighting vigorously. 
Missouri. L. Haseman (July 2^-): Stableflies very abundant during the month. 
HORN FLY ( Haematobia irritans L.) 
Missouri, L. Haseman (July 2H) : Horn flies very abundant during the month. 
Colorado. P. C. Bishopp (June 30) • Horn flies are relatively scarce at 
Colorado Springs. On several herds observed there were about J>0 to 50 
flies per animal. 
HORSES 
BOTFLIES ( Gastrophilus spp.) 
Colorado. F. C. Bishopp (July U): Three horses were examined at Virginia 
Dale for eggs. Each showed a very light infestation -of G. nasal is L. 
No adult activity was observed. The horses were entirely free of G. 
intestinal is Deg. On July 3 several horses along the highway U miles 
