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The Scale Insects of California. Parts 1-3.
By Raymond J. Gill
Sacramento, Calif. : Analysis and Identification Branch, Division of Plant Industry, California Dept. of Food and Agriculture, 1988
Cite: 150419
The three parts (separate publications) are:

The scale insects of California. Part 1, The soft scales (Homoptera:Coccoidea:Coccidae). 1988.

The scale insects of California. Part 2: The minor families (Homoptera:Coccoidea) : Margarodidae, Ortheziidae, Kermesidae, Asterolecaniidae, Lecanodiaspididae, Cerococcidae, Aclerdidae, Kerriidae, Dactylopiidae, Eriococcidae, and Phoenicococcidae. 1993.

The scale insects of California. Part 3: The armored scales (Homoptera:Coccoidea:Diaspididae). 1997.

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