Chiggers live in every country. They thrive in moist, grassy areas such as fields and forests, and are often found near lakes and streams. It is the babies or larvae that bite, not the adults. Newly hatched babies do not fly and cannot travel very far on their own. They tend to stay bunched together in large groups on leaves and grass, usually less than a foot off the ground. They travel by attaching to passing animals or people. Chiggers are active when the ground temperature is between 77 and 86 degrees Fahrenheit and die when it gets colder than 42 degrees.
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