Abstract
Despite their importance as pests of ornamentals and crops and as transmitters of plant viruses, aphids have been poorly studied and collected throughout the United States. Lists are available for only 31 of the 50 states; and of those lists, only 3 have been published since 1970. In the southeastern United States, published lists exist for only Louisiana and North Carolina. Of the aphids discussed, Acyrthosiphon kondoi Shinji, Aphis nerii Boyer de Fonscolombe, Brachycorynella asparagi (Mordvilko), Idiopterus nephrelepidis Davis, Myzus varians Davidson, and Toxoptera aurantii (Boyer de Fonscolombe) are reported to occur in some southeastern states and may occur throughout the area. Toxoptera citricida (Kirkaldy) and Pterochloroides persicae (Cholodkovsky) represent species not known to occur in the United States but which have the potential of becoming serious pests if introduced. For each species there are sections on distribution in the southeastern United States, hosts, taxonomic characteristics of apterous and alate viviparae, and general information.
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