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Appearance and relative size of a calico scale, Eulecanium cerasorum, adult female, top view.

Line art illustration of insect size in comparison with a 1-inch ruler also marked in mm, a bug box Credit: William D. Edmonston, USDA Forest Service, adapted by UC IPM. — Credit: William D. Edmonston, USDA Forest Service, adapted by UC IPM.

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