Trombiculidae History Trombiculidae, Greek ("tremble") and Culex Latin gen. culicis ("gnat" or "fly") was first described as an independent family SE Ewing in 1944. But references to chiggers go as far as China in the sixth century, and in 1733, the first recognizance trombiculid mites in North America have been made. In 1758, Linnaeus described [...]