magpie moth noun4 •Any of several moths that resemble magpies in color or pattern. •Tiger moths of genus Nyctemera. (Arctiidae), of Australasia •Small magpie (Anania hortulata, Pyralidae, syn. Eurrhypara hortulata), of North America. •Any member of the species Abraxas grossulariata (Geometridae), of North America and Europe. formsmagpie moths