Aleyrodidae Collection

Woolly whitefly, Aleurothrixus floccosus, with sooty mould on the honeydew on the underside of a lemon leaf of a tree in fruit, Sorrento, Bay of Naples, Italy

Cabbage whitefly, Aleyrodes proletella, adult emerging from a pupa

Adult cabbage whitefly, Aleyrodes proletella, with larval scales and eggs on a cabbage leaf

Larval scales of cabbage whitefly, Aleyrodes proletella, parasitised by a parasitoiid wasp, Encarsia tricolor, for commercial biological control

An adult parasitoid wasp, Encarsia tricolor, laying eggs, ovipositing in larval scales of cabbage whitefly, Aleyrodes proletella

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Aleurodidae, or the whiteflies, are notorious pests for various crops, including lemons and cabbages. Woolly whiteflies, such as Aleurothrixus floccosus, leave a sticky honeydew on the underside of leaves, attracting sooty mold. Cabbage whiteflies, Aleyrodes proletella, lay their eggs in circular patterns on leaves, and their larvae cover the surface with protective scales. Parasitic wasps, like Encarsia tricolor, lay their eggs inside these scales, turning the tables on the whiteflies. The wasp larvae feed on the whitefly larvae, eventually emerging as adults to continue the cycle. This delicate balance between pests and their natural enemies is crucial for maintaining agricultural productivity and reducing the need for chemical interventions.