Avocado brown mite

Oligonychus punicae

Avocado brown mite (family Tetranychidae) is dark brown, oval, and tiny (about 0.01 inch or 0.3 mm long). Its tiny amber-colored eggs have a short projecting stalk. At low populations most eggs are laid singly along the midrib. Eggs are increasingly found throughout the upper leaf surface as populations increase. In summer there may be two complete generations per month. Temperatures of 90° to 95°F or higher usually kill these mites and their eggs, as does the first cold weather in fall or early winter.

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