This study was carried out to determine the effects of crude terpenoid compound extracts Melia azedarach L. leaves and fruits on some biological aspects whitefly Bemisia tabaci (Genn.) under laboratory conditions 25 ± 2°C relative humidity 65-70%. The results indicated a significant effect eggs immature stages when treated with 0.5, 1, 1.5, 2 mg/ml fruits. mortality rate increased concentration...