Whiteflies are tiny, sap-sucking insects that are frequently abundant in vegetable and ornamental plantings. They derive their name from the mealy, white wax covering on the adult’s wings and body. They excrete sticky honeydew and cause yellowing or death of leaves. The whitefly has a wide range of host plants (more than 500 species representing 74 plant families). The whitefly spends its winters in weeds and ornamental plants, migrating to crops and gardens in spring and summer. Once temperatures warm up in the summer, populations can build rapidly with the highest populations probably occurring in late summer. They lay their eggs on the undersides of leaves. The first stage has legs and antennae, but these are lost after the first molt and the flattened, oval-shaped larvae stay fixed, usually occurring in groups at one feeding site, on the undersides of leaves. There are many generations a year.