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Aleyrodidae, Whiteflies


[R] Family of the order Homoptera, series Sternorrhyncha; 2 pairs of membranous wings coated with an opaque, white, waxy powder; antennae 7-segmented; tarsi 2-segmented; very small-sized insects with a wingspan of 3 mm; 1st-stage nymphs active while older, egg-shaped and flattened nymphs sessile; development culminates in a quiescent, non-feeding pupa-like stage; "pupa" visible within a puparium often ornamented with waxen threads.
Whiteflies excrete considerable quantities of honeydew.
Many of them are economically important, especially in tropical regions. Particularly injurious in France are the (Bemisia tabaci), the , (Trialeurodes vaporarium) and Aleurothrixus floccosus (on citrus).

[R] Images

* Whiteflies (Aleyrodoidea) (INRA)
Adult.
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* Whiteflies (Aleyrodoidea) (INRA)
Puparia.
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