Definitions of trombiculid

n mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebrates

chigger, harvest mite, jigger, redbug
larval mite that sucks the blood of vertebrates including human beings causing intense irritation
Type of:
any of numerous very small to minute arachnids often infesting animals or plants or stored foods

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