Was this just a filler monster, or did anyone actually encounter one of these in the last 40+ years of playing D&D ?
“The galltrit is a small winged gremlin with a nasty disposition.” It will fly from its hidden dung pile lair, bite a victim undetected, and drain health and constitution until the target passes out and collapses. (Alan Hunter, AD&D Fiend Folio, TSR, 1981)