Cottony Cushion Scale
[Icerya purchasi (Maskell), family Margarodidae] Populations
often build when beneficials are reduced. Heavy infestations leads to reduced
tree vitality. The body of the female is reddish brown, and legs and antennae
are black, but this color is often masked by mealy wax. The female is hermaphroditic,
possessing both male and female reproductive organs, which is rather unique
among insects. A waxy fluted ovisac, one on each female, in which over
1,000 eggs may be deposited, causes the tree to appear as if covered by
snow. Unfertilized eggs, which are rare, produce functional males, fragile
looking dark red with grayish wings.
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This site is maintained by Dr. Laurence Sistrunk, Dept. of Hort. Sci., Texas A&M University