DefinitionChiggers are tiny, six-legged wingless organisms (larvae) that grow up to become a type of mite. Chiggers are found in tall grass and weeds. Their bite causes severe itching.Alternative NamesHarvest mite; Red miteCauses, incidence, and risk factorsChiggers are found in certain areas, such as berry patches, tall grass and weeds, and woodland edges.Chiggers bite humans around the waist, ankles, or in warm skin folds. Bites commonly occur in the summer and fall months.SymptomsThe main symptoms are:Severe itchingRed pimple-like bumps or hivesItching usually occurs several hours after the chiggers attach to the skin.A skin rash may appear on the parts of the body that were exposed to the sun. It may stop where the underwear meets the legs. This is is often a clue that the rash is due