Your skin continues the itch, allergic reaction to stylostome for many days. The stylostome is eventually absorbed by your body, a slow process that takes a weak to 10 days, or longer. It is of little comfort to learn that North American chiggers only bite humans by accident. Although our chiggers can feed on most animals, they are really looking for reptiles and birds, their preferred hosts. The itching reaction human skin has to chigger bites occurs because we are not their correct hosts.
Chiggers tend to move towards and onto any new object placed in their environment.
You can test your lawn for the presence of chiggers by placing a black piece of cardboard or a white saucer. Vertically on the ground. If chiggers are present they will move rapidly over the object and accumulate on the upper edge where you can see them with a magnifying glass. The chiggers that annoy people have long legs and can move rapidly. They are capable of getting all over a person's body in just a few minutes.