Abstract
Citrus leafminer, Phyllocnistis citrella Stainton, is an economically important insect pest of citrus in Pakistan, Mexico, the United States and many other citrus-producing countries. Extract of Azadirachta indica A. Juss at 5 and 7% and its oil at 1 and 1.5% concentrations were tested in comparison to synthetic insecticide abamectin 1.8% EC against P. citrella in nursery plantations of Citrus reticulata L. Control of all larval instars of citrus leafminer was good with application of abamectin and A. indica oil during fall 2015 and summer 2016. Abamectin suppressed 75–90% of P. citrella larvae both seasons. A. indica oil at greater concentration (1.5%) provided the most control (65–88%) like abamectin but at less concentration (1%), control decreased slightly. Larvae of P. citrella were more sensitive to A. indica oil than to extract. Like abamectin, A. indica oil also better controlled citrus leafminer larvae and might be considered a promising tool for management of citrus leafminer.
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