In Brazil, characterization of the natural occurrence of insect predators and parasites affecting phytophagous pests of Phaseolus lunatus is limited. Our objective was to identify which natural enemies were present in lima bean fields in northeast Brazil. Also, this is the first report of the natural occurrence of thrips and mite predators on lima bean. The following species were identified as predators of Aphis craccivora: Scymnus rubicundus (Coccinelidae), Pseudodoros clavatus (Syrphidae), as well as the parasitoid Aphelinus sp. (Aphelinidae). In addition, Franklinothrips vespiformis (Aeolothripidae) was collected along with its prey, the phytophagous mite Tetranychus neocaledonicus, and the phytophagous thrips Caliothrips phaseoli. Predatory mites were identified as Euseius concordis (Phytoseiidae), Proctolaelaps bickleyi (Ascidae), and Amblyseius tamatavensis (Phytoseiidae). These 3 mite species were observed to prey on T. neocaledonicus and represents the first report of these predators occurring on P. lunatus in Brazil.
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Vol. 101 • No. 4