In my opinion, chiggers are worse. Chiggers are tiny, six-legged wingless organisms, which grow up to become a type of mite. They mostly found in tall grass and weed. Chiggers bite humans around the waist, ankles, or in warm skin folds. The symptoms of their bite include severe itching as well as red pimple-like bumps or hives. Read more on www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002309/#adam_001333.disease.symptoms.