-45- 
cattle which were examined at Urbana showed no grubs in their 
backs. Apparently grubs are not numerous in native cattle in 
this locality. (February 11): Cattle in the vicinity of Peoria 
showed a moderate infestation of grubs in their backs, ranging 
from to about 40. The oldest larvae observed were in the 
light brown fifth stage. 
Minnesota V?„ G. Bruce (February 12): Of i04 cattle examined in this 
locality (Mankato) none showed grubs in their backs, 
Iowa W f G. Bruce (February 11): Ninety-nine cattle examined were 
found to be free from grubs at Sioux City, 
Nebraska 77, G„ Bruce (February 10): Sixty*seven head of cattle were 
examined at Lincoln and showed an average of 1 grub each. All 
stages from third to mature, were- present. 
Kansas W. G. Bruce (February 1-9): The average number of grubs 
per' r cow in several localities was as follows: Wellington, 50 
head, 1.4; Hutchinson, 85 head, 1.; Clay Center, 21 head, 2.8; 
Manhattan, 97 head, 0.4. All larvae were extracted and all 
stages which occur in the back were found. 
Tennessee H. S, Peters (February 5): An average of 0,72 grub per head 
was found in 148 cattle examined at Memphis. Although some of 
the larvae were in the fourth stage most were nearly maturity, 
Arkansas H, S. Peters (February 4): An average of 1.64 grubs per head 
were found in 66 cattle examined at Hot Springs, All larvae 
extracted were nearly mature. Examined 119- cattle and found an 
average of 1.5 grubs per head at Little' Rock, Some larvae were 
still in the fourth ins tar but most were in the light brown 
fifth stage. 
! 
Oklahoma W„ G. Bruce (February 1): An average infestation of. 0.88 
grub per head was found here (Oklahoma City) on 139 animals. 
All stages of larvae from thirds to mature fifth were present, 
of 
Texas B„ W» Laake (February 6): An examin©± ion/48 head of cattle 
here (Houston) showed an average of 1.6 grubs per head. All larvae 
were extracted and only four specimens in 'the 4tb instar were 
found . 
Ohio 
Virginia 
BITING CATTLE LOUSE ( T rich ode ctes scalaris Nitzsch) 
H, S, Peters (February 12): A moderate infestation was found 
at Lancaster on three young heifers, 
POULTRY 
FEATHER MITE ( Liponyssus silytgrum C, & F r ) 
F. C. Bishopp (December 21,1928): This mite was found to be 
established and causing considerable loss in a commercial poultry 
plant near here (Strassburg). Steps are being taken to eradicate 
the pest. 
