harvest mite: larval mite that sucks the blood of vertebrates including human beings causing intense irritation
trombiculid: mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebrates
chlorpromazine: a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer