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Abstract
Laboratory studies were carried out in an attempt to disclose the effect of bio-insecticide (spinosad) and an IGR (Consult) at different concentrations (15, 36, 75 and 150 ppm) (12 , 30 ,60 and 120 ppm) respectively on one day old of the 5 {u036D} {u036A} nymphal instar of the desert locust schistocerca gregaria (forskal) by feeding technique