ON THE RESTRICTIVE FACTORS OF PARASITISM OF TRICHOGRAMMA DENDROLIMI ON THE EGGS OF ASIAN CORN BORER THE FACTORS INFLUENCING THE FLUCTUATION OF THE POPULATION OF TRICHOGRAMMA DENDROLIMI MATSUMURA STUDY ON THE UTILIZATION OF TRICHOG RAMMA DENDROLIMI TO CONTROL THE MASSON PINE MOTH DENDROLIMUS PUNCTATUS AT LONGSHAN FOREST FARM Susceptibility of the egg parasitoid Trichogramma dendrolimi (Hymenoptera: Trichogrammatidae) to three kinds of insecticides commonly used in fields STUDIES ON EGG PARASITOIDS OF DENDROLIMUS PUNCTATUS WALKER Studies on the Incest Breeding and Its Effects on Progeny Vitality of Trichogramma dendrolimi Effects of alternating temperature and time on diapause of Trichogramma dendrolimi ON THE APPLICATION OF TRICHOGRAMMATIDS AGAINST REED STALK BORERS