-51 
Kansas F. C. Smith, F„ C. Gates, and F. C. Bishopp (February 6): A dairy 
hord in Manhattan showed an average cf 3-3 grubs per animal on 
this date. It appeared that a number - had already matured and 
left the cattle. Information gained from stockmen in this section 
indicates that the grubs were rather more abundant this -inter 
than normal. 
Texas E n W. Laake through F. C. Bishopp (February 11): Heel flies -ere 
observed to "be attacking cattle today. This is the first heel 
fly activity observed in Dallas this spring. 
F. C. Bishopp (February 25): Heel flies -.'ere observed to be 
attacking cattle at Camp Wood on this date. 
STABLE FLY ( gtomosys calci trans L.) 
Texas S. C. Parman and F. C. Bishopp (February 24): Horses and cattle 
in Crystal .City were observed tc be infested with an average 
of abeut four stable flies per animal on this date. 
SCREW WORM ( Cochliomyi a macellaria Fab.) 
Texas D. C. Parman (March 2k): The screw worm fly appeared at Uvalde 
on March 17. On the 18th the flies -ere noticeable at", any attractive 
substance and on the 24th they have become quite 'numerous. About 
50 per cent of the flies present at exposures are this species. 
One specimen -'as observed on February 12 but no more until March 17. 
POULTRY 
CHI CKEN MITE ( Dermanyssus gaUlinae R edi ) 
Texas D. C. Parman (March 24): At Uvalde several infestations of the 
chicken mite have been brought to attention during the month of 
March. A very heavy infestation was observed on March 24. Sitting 
hens -ere weak and pale frcm the loss of blocd, and the hatching 
of eggs was int erf erred with. 
CHICKEN TICK (Argas mi Hiatu s Koch) 
Texas D«, C. Parman (March 24): The unusually cold weather during the 
winter has not apparently affected the fowl tick. No indications 
of mortality have been observed that were unusual and the activity 
of the tick on March 24 is about normal or above. The winter 
has not been marked by extreme cold but there has been unusually 
continued cold; this has apparently stimulated the tick to more 
than normal activity this spring, as loss of older chickens has 
exceeded the normal during the last two weeks, 
STICKTIG-HT FLEA (Eehidnonha^a gallinacea Westw. ) 
Texas D. C. Parman (March 24): A few days after a 10-inch snowfall at 
Uvalde the sticktight flea larvae were found in a shed on the north 
side of a barn that a large flock of hens roosted in. The snow 
blew into this shed and the ground was covered for six days and the 
