Psyllaephagus sp. (Hymenoptera: Encyrtidae) is a newly recognized and important parasitoid of Cacopsylla chinensis (Yang Li) (Hemiptera: Psyllidae), pest pear orchards. Its parasitism potential rearing were studied in the laboratory. The studies showed that most suitable hosts fourth- fifth-instar nymphs psyllids (C. chinensis). development duration females males was 15.25 ± 0.37 13.57 0.27 day...