~34r- 
T3QPICAL ItAI MITE ( liponyssus bacot i Hirst) 
Maryland A. L. Sullivan (January): The tropical rat mite has "been re- 
ported in 3alti~ore attacking humans. Specimens were sent in 
from a seed house. 
CATTLS 
A BUFFALO SEAT ( Fusinulium pecuarum Hiley) 
Mississippi c. Lyle (February 22): Buffalo gnats appeared in the Delta 
section of Mississippi about January 15, probably the earliest 
date on record for this section. They are reported as present 
in injurious numbers in practically all counties of the Missis- 
sippi Delta. ITo serious loss of livestock has yet occurred. 
CATTLD GIIUDS ( Hypo derma spp.) 
North Dakota J. A. Munro (January and February): Reports of grubs in the 
backs of cattle have been received from Dickey, Golden Valley, 
and D^lette Counties during January and February. Officials of 
the local meat-packing plant state that a large number of cat- 
tle badly infested with cattle grubs were received during these 
tv;o months. 
Kansas E. C-. Kelly (February 23): Cattle grubs are more abundant in 
Kansas than usual. Puoaria have been picked up off the ground 
where they have dropped and adults have emerged from them when 
the puparia were retained in the laboratory at Manhattan. 
HOI!" FLY ( Eae-at^bia irritans L. ) 
Florida ft. &. Drue's (January): Stockmen report and observations show 
that the hornfly is giving more trouble in Florida than usual. 
Texas H. 0. Schroeder and F. C. Bioho^p (January) J Hornflies are 
present in moderate numbers, 5 to 50 per head. The dairymen 
report that these flics have been very troublesome all winter. 
The cows show severely irritated spots at the base of the tail 
and along the escutcheon and in the navel region from bites. 
SCIGJ7 "?IT ( Cochliomyla mac ell aria Fab.) 
Texas H. 0. Schroeder ani J. C. Bishopp (January): A freshly killed 
calf by the roadside 6 miles east of Sio Grande City was examined 
and several hundred blowflies were found on it. Of these there 
were about 1 F'.ormia r eg inn Meig. to 15 C ochliomyia macellaria . 
The day was mild but the sun was not shining. 
