Adults

Usually yellowish white; wings tightly held against body, giving a cylindrical appearance; forewing with one vein, bent slightly mesad at about 2/3 of wing, no distinct ridge or trace of fork. (sweetpotato or silverleaf whitefly)



Usually bright white; wings loosely held against body, giving a much broader appearance; forewing with one distinct vein, bent slightly mesad at about middle of wing, and a short distinct ridge forming a fork with the vein. (greenhouse whitefly)



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