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mouches blanches des serres
This family contains about 1500 species of small, plant sucking bugs. The adults and nymphs produce significant quantities of wax which covers their body and wings as a white powder. Several species (e.g. Bemisia tabaci) are important plant pests and efficient vectors of plant viruses.
The development goes through the egg, crawler and 4 nymphal stages. The last nymphal stage is called the puparium and is important for taxonomic identification. The adult leaves the puparium through a dorsal T-slit. Adults are around 1 to 2 mm long.
For details see the respective page in Wikipedia.
The following genera and individual species are currently entered under Aleyrodidae: