Cottony Maple Scale in Northwest Ohio
Earlier this week, Eric Richer (OSU Extension, Fulton County) sent me an image of a maple with almost all of the branches covered with Cottony Maple Scale females that were extruding their elongated, white, cottony ovisacs. The oval-shaped dark brown females remained highly visible with their ovisacs peeking out from beneath their bodies. The ovisacs expand to look like 1/4" diameter cotton balls on the branches of their host plants. The scale has a very wide host range which includes their namesake host as well as ash, basswood/linden, black locust, dogwood, elm, euonymus, hackberry,...
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