Essig, E.O. 1911 Notes on Coccidae VI.. Pomona College Journal of Entomology 3: 404-411.
Notes: Descriptive notes on four pest species; hosts; control.
Essig, E.O. 1911 Notes on Coccidae VI.. Pomona College Journal of Entomology 3: 404-411.
Notes: Descriptive notes on four pest species; hosts; control.