Encarsia formosa, is a whitefly (Trialeurodes vaporariorum and Bemisia spp.) parasite. Very effective as a preventive. Can tolerate certain pesticides. Sold in packs of 10 cards, with 1000 pupae on a card.
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Small (1 mm) black and yellow wasp that lays its eggs inside whitefly scale (egg/nymph). The whitefly scale becomes blackened when parasitized. Encarsia is attracted to the smell of honeydew made by the whiteflies. Encarsia feeds and parasites greenhouse, silver leaf and sweet potato whiteflies.
SHIPPED: Parasitized whitefly scale on hangable cards.