It was first described by Alfred Nalepa in 1891 .
Aceria erinea is a species of mite which causes galls on the leaves of walnut ( Juglans regia ) .
Aceria erinea was first described by Alfred Nalepa in 1891 .
Aceria erinea is a species of mite which causes galls on the leaves of walnut ( Juglans regia ) .