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Illustration

Life cycle of vedalia, Rodolia cardinalis. The adult female beetle lays eggs on or underneath egg sacs of cottony cushion scale, Icerya purchasi. The vedalia larva and adult lady beetle feed on the scales and their eggs.

Adult by E.O. Essig. 1913. Injurious and beneficial insects of California. Monthly Bull. State Comm. Hort. II(1, 2). Sacramento, CA. Egg, larva, and pupa by A. Koebele. 1890. Report of a trip to Australia made under the direction of the entomologist to investigate the natural enemies of the fluted scale. USDA. Bull. 21. Adapted by C.M. Dewees, UC IPM.

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