Cockerell, T.D.A. 1894l Further notes on scale insects. (Coccidae).. Canadian Entomologist 26: 189-191.
Notes: Describes 1 new variety; notes on several other diaspine scale insects.
Cockerell, T.D.A. 1894l Further notes on scale insects. (Coccidae).. Canadian Entomologist 26: 189-191.
Notes: Describes 1 new variety; notes on several other diaspine scale insects.