Abstract
Sticky board panels of different colors were placed adjacent to a cotton field to determine their attractive or repellent action to thrips in flight. The colors and materials found most attractive were white plastic, and blue and gold aluminum foil. Other colors, in order of decreasing numbers of thrips collected were: silver, red, green, brown, and black. Exposure of blue aluminum foil and white plastic panels during 6-hr periods of daylight and darkness showed that thrips are diurnal in habit. Thrips identified from the collections were: to bacco thrips, frankliniella fusca (Hinds); flower thrips, F. tritici (Fitch); onion thrips, Thrips tabaci Lindeman; Sericothrips variabilis (Beach); grain thrips, Limothrips cerealium (Haliday); composite thrips, Microcephalothrips abdominalis (D. L. Crawford); and Oxythrips divisus Hood.
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