CHIGGSS (T rombicul a tlalzahuat l Murray) 
Indiana J, j + Davis (August 22): Chiggers have "been as abundant as usual 
or probably more so. 
Texas f. c. Bishopp (July 25): There has been a marked decrease in 
the abundance of chiggers during the past few weeks, probably 
due to "high temperatures and lack of rainfall- (August 25): 
Triggers appear to be increasing somewhat in number since the 
recent showers. This is probably due to the mites coming up 
out of their hiding places and thus becoming more easily 
"picked iir,.- 
picked up. 
CATTLE 
SCREWWORM ( Chrysomym mac ell aria Fab,) 
New York F. C. Bishopp (.June 28): Cn June 28, a number of adults of this 
species were observed in traps and about refuse at an abattoir. 
This is the first appearance of this species in the vicinity, 
Texas D* C« Parman (July 21): Cases of worms were quite numerous in 
sheep the first of the month (10 per cent), cattle showing about 
2 per cent. The adults have at no time during the month been 
very abundant. At the end of the month one is rarely observed 
and cases are much fewer. 
F. C. 3ishopp £nd £. 75-, Laske (July 2*0: Flies abcut packing 
houses have been greatly decreased in numbers and are causing 
very little annoyance. Chrysomya macell-ria predominates, 
with house flies second in number and a few lucilias. Apparently 
Phormift retina and Cnlliphora spp. have disappeared* 
HORN FLY (Haematob ia irritans L.) 
New Hampshire F, C. Bishopp (June 25): Beef cattle on pasture heve were 
observed to be seriously annoyed by horn flies. The average 
number per animal was about 600, the maximum about 1,000* 
New York F* C» Bishopp (June 25): H rn flies ixre causing considerable 
annoyance to dairy c-ttle in this vicinity. Some animals have 
approximately 1,000 flies upon them, and the average will no 
doubt run 3 00. 
Texas F» C» 3ishopp (August 25): Horn flies are relatively scarce 
at this time. They have not caused serious annoyance te dtock 
since the beginning of the hot dry weather about the first of 
July. 
Ohio F* C Bishopp (July 1): Livestock of all classes are being 
Indiana annoyed to a considerable extent by stables flies, though their 
Missouri number is probably not greatly in excess of the normal. 
and ' • 
Oklahoma 
