Population Trends of Grape Phylloxera, Daktulospharia (Vites) vitifoliae Fitch. (Homoptera: Phylloxeridae) and Effect of Two Insecticides on Its Different Stages in Jordan

Population dynamics of root form of grape phylloxera, Daktulospharia (Vites) vitifoliae Fitch. (Homoptera: Phylloxeridae ) were carried out in the field in 2004. Mean number of eggs, nymphs and adults showed peaks in mid-July and early August, respectively. All stages disappeared in late August. There were no galls noticed on the examined roots throughout this study. Treatments included two insecticides, imidacloprid and thiamethoxam and...