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Encarsia formosa

Encarsia formosa is a species of chalcidoidwasp and a well known parasitoid of greenhouse whitefly, one of the first to be used commercially for biological pest control, from the 1920s. Its use fell with commercial pesticides in the 1940s, but rose again from the 1970s. DescriptionThe tiny females (about 0.6 mm long) are black with a yellow abdomen and opalescent wings.

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