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Identification
Bright scarlet-red beetle with a black head and legs, found on lilies and fritillaries; larvae are dull orange-brown, covered in their own excrement.
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Life Cycle
Overwinter as adults in soil, emerge in spring to lay eggs on leaf undersides; larvae feed for several weeks before pupating.
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Damage Signs
Adults and larvae chew leaves, buds, and flowers, rapidly defoliating plants if left unchecked.
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Treatment
Hand-pick adults and larvae regularly, checking leaf undersides. Beetles drop and play dead when disturbed, so catch them below the plant.
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Prevention
Inspect lilies frequently from early spring and remove eggs and larvae before populations build.