Effects of population density and temperature on the growth and development of Amata sp. Effects of seven species of forest plants on feeding and fecundity of Holotrichia oblita Effects of Host Plants on Feeding Amount, Growth and Development of Galeruca daurica Joannis Larvae (Coleoptera:Chrysomelidae) Attraction effect of different host-plant to Colorado potato beetle Leptinotarsa decemlineata THE STUDY OF THE FEEDING BEHAVIOUR OF COTTON APHID AND RELATIVE FEEDING AMOUNT ON DIFFERENT COTTON VARIETIES