wheal-worm

== English == === Alternative forms === whealworm === Etymology === Compound of wheal +‎ worm, after the pustule or wheal resulting from a bite. === Noun === wheal-worm (plural wheal-worms) (archaic) Any of various insects or arachnids the bites of which produce raised sores. (archaic) A harvest mite, Trombicula sp. (obsolete) A mite of species Acarus autumnalis, synonym of Neotrombicula autumnalis ==== Synonyms ==== (harvest mite): harvest mite, chigger, red bug (Acarus autumnalis): harvest bug, scarlet mite