overwintering larva 第1页

Cold hardiness of overwintering larvae of Chilo suppressalis at different ages STUDY ON THE SUPER-COOLING POINT OF THE OVERWINTERING LARVAE OF THREE KINDS OF PINE CATERPILLAR THE CONTROL OF PINE CATERPILLAR (DENDROLIMUS TABULAEFORMIS AND D·SPECTABILIS)WITH PAECILOMYCES FARINOSUS AND ITSEPIZOOTIC PROBLEMS A Study on the Distribution Law of the Overwintering Larvae of Dendrolimus punctatus