Abundance and Management of Melon Thrips, Thrips palmiKarny (Thysanoptera: Thripidae)

Dakshina R Seal


This manuscript contains information on Thrips palmiseasonal abundance in bean, Phaseolus vulgaris(L.) ‘Benton’, fields extending from 2004 to 2010. Information on insecticides of diverse mood of action in controlling T. palmiis also provided to develop appropriate management program. Population abundance was significantly high in 2004. Population started decreasing until 2008, and increased thereafter. In managing T. palmi, spinosad, spinetoram, chlorofenapyr and formatenate hydrochloride provided a significant level (>90%) of control. Among new insecticides, rynaxypyr and cyazypyr were effective in providing 50% to 65% reduction of T. palmi. In a recent study conducted in 2010, spinetoram did not provide superior level (<70%) of control of T. palmi. Clothianidin and tolfenpyrad showed potentiality in managing T. palmi. This information will help develop effective management program for controlling T. palmi using insecticides of different modes of action.


seasonal abundance, control, insecticides, neonicotinoids, antranillic diamide

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283

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