Amitus longiconis is a dominant parasite to the 1~2instar larvae of the spinywhite fly Aleurocanthus spiniferus in tea gardens of Hunan province。It was suggested thatthe functional response of Amitus longiconis to the spiny white fly be described by Holling’sⅡtype as the model given,the suitable temperature to parasitism be about 30℃ as the builtregressive model of a/Th with T,the interference parasitism among the parasites themself bedescribed by Hasseil& Varley’s model.The parasitism was built by means of rotation com-posite design of regression with...