674 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



yellow or brown of different shades. The adult female becomes 

 engorged with blood and eggs and drops from the animal to the 

 ground where she lays from 1500 to 3000 eggs. From these eggs 

 the young or seed ticks hatch in from two to six weeks, depending 

 on the temperature. The young seed ticks crawl onto grass or 



o. 



5. 



^SOS. The cattle tick (U. S. Dept. of Agr.): 3, mature female with eggs; 

 4, ticks attached to the hide; 5, blood cells containing Babesia organisms; 

 10, various stages of ticks. Natural size except 5, which is enlarged 

 1,000 times. 



weeds and transfer themselves to cattle at the first opportunity. 

 If they fail to do this they die, but not necessarily for three or four 

 months. On cattle they attach themselves to the tender and 

 protected parts and suck blood, maturing in warm weather in some 

 six weeks. If the parent of these ticks was from an infected animal, 



