Borchsenius, N.S. 1948e [Suborder Coccoidea - coccids or hard and soft scales.]. [A Guide to the Insects of European USSR.]
Notes: Keys to families, genera, and species involving 95 scale insects.
Borchsenius, N.S. 1948e [Suborder Coccoidea - coccids or hard and soft scales.]. [A Guide to the Insects of European USSR.]
Notes: Keys to families, genera, and species involving 95 scale insects.