The brown citrus aphid, Toxoptera citricida (Kirkaldy), is an important pest of Florida citriculture because it causes feeding damage to citrus and vectors citrus tristeza virus. Parasitoids recovered from brown citrus aphids in Florida include Lysiphlebus testaceipes (Cresson), Lipolexis scutellaris Mackauer, and Aphelinus gossypii Timberlake. Monitoring the levels of parasitism caused byeach ...