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AGROTECHNOLOGY
Potato Flea Beetle (Epitrix cucumeris)
Life stages: eggs, larvae, pupae, adult beetles. Flea beetles overwinter as adults in plant litter on the soil surface. In the spring, adults move to potato fields and feed on the developing foliage. Females lay eggs in…
Некоторые биографии и сведения о профессиональной деятельности пока доступны только на языке оригинала.
Life stages: eggs, larvae, pupae, adult beetles. Flea beetles overwinter as adults in plant litter on the soil surface. In the spring, adults move to potato fields and feed on the developing foliage. Females lay eggs in the soil around potato plants. Eggs hatch in about a week into tiny larvae that feed primarily on the fine roots of potato plants. After 4–5 weeks, the larvae reach maturity and pupate in the soil to become adults. This new generation of adults emerges from the soil, usually in late July, and feeds on potato leaves.
Flea beetle populations are higher when potatoes are grown close to crucifer crops.
Adults are very small, about 1.7 mm long and 1 mm wide. Flea beetles do not fly, but jump very quickly when disturbed.
Actual size of an adult flea beetle.
Flea beetle feeding damage has a shot-holed appearance.
Feeding holes range from 1–5 mm in diameter.
Flea beetle feeding damage does not always pierce the leaflets.
Occasionally, flea beetle larvae feed on tubers. This causes small, round, dark-brown lesions.
Опубликованный материал и сведения об авторстве: Potatoes.News ↗
