. . "Insecta. Hemiptera (Sistematica)" . . . . "Detailed information on all known California scale insects and host plants with areas of infestation, etc."@en . . . . "The armored Scale Insects of California" . . . . . "The Armored Scale Insects of California. [With illustrations.]"@en . . . . . "The armored scale insects of California" . "The armored scale insects of California"@en . . .