Wallace, F.N. 1925 Report of the Division of Entomology.. Annual Report (Indiana Department of Conservation) 6th: 28-50.
Notes: Scale species mentioned include the European elm scale, cottony maple scale.
Wallace, F.N. 1925 Report of the Division of Entomology.. Annual Report (Indiana Department of Conservation) 6th: 28-50.
Notes: Scale species mentioned include the European elm scale, cottony maple scale.