Ehrhorn, E.M. 1898a New Coccidae from California.. Entomological News 9: 185-186.
Notes: Kermes cockerelli, K. nigropunctatus Ehrhorn and Cockerell, Pulvinaria rhois.
Ehrhorn, E.M. 1898a New Coccidae from California.. Entomological News 9: 185-186.
Notes: Kermes cockerelli, K. nigropunctatus Ehrhorn and Cockerell, Pulvinaria rhois.