Diaspididae of the World 2.0: Morphological differences distinguishing California red scale, yellow scale, and related species (Homoptera, Diaspididae). University of California Publications in Entomology : 323-336.

Authors(s)	McKenzie, H.L.
Year	1937
Title	Morphological differences distinguishing California red scale, yellow scale, and related species (Homoptera, Diaspididae). University of California Publications in Entomology : 323-336.