Abstract
Two species of thrips, Frankliniella fusca, the tobacco thrips, and western flower thrips (WFT), capable of vectoring tomato spotted wilt virus (TSWV), were collected from a peanut field in Coahoma County, Mississippi in 1992. Results of repeated sampling indicated that the numbers of tobacco thrips were high in the spring and very low late in the growing season. Numbers of WFT were low in the spring and higher late in the season. The percentage of plants developing symptoms of TSWV peaked at 11% early in the season and rose sharply to 75% in late August. The seasonal distribution of the two thrips vectors and the incidence of symptomatic plants indicates that the disease may have been vectored by tobacco thrips early in the summer and by WFT late at the end of August.
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