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The
acquisition and transmission of pathogens are separated by long periods of
free living. A series of hormonally mediated changes occur in the body of
the feeding tick during the first day of host contact; The tick is blind,
but senses carbon dioxide, temperature, odors, ammonia and movements. The
Haller�s organ on the final segment of the first pair of legs, serves for
orientation during feeding. Questing ?
The tick is waiting on vegetation for a host. Flagging ? A flag of
say 1 square m of cloth on a stick is dragged. Ticks jump on the flag from
which they can be collected. Traps can have dry ice as an attractant.
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