An Efficient Breeding Method for Eupeodes corollae (Diptera: Syrphidae), a Pollinator and Insect Natural Enemy in Facility-Horticulture Crops

Facility horticulture plays a crucial role in modern agriculture by utilizing the environment efficiently and ensuring food supply. The hoverfly Eupeodes corollae (Fabricius) (Diptera: Syrphidae) performs dual ecological function facility as larvae prey on aphids adults pollinate, but it is not widely applied due to lack of large-scale breeding technology. In this study, we investigated effects different factors development reproduction (i.e., aphids), eggs, larvae, pupae E. corollae, determined its propagation techniques. We transferred five pairs newly emerging 40 broad bean plantlets infested with Aphis craccivora Koch an insect cage. Aphid-infested seedlings were replaced each day encourage reproduction. Following hatching, fed mixed populations Myzus persicae (Sulzer), Megour japonica Matsumura A. boxes, covered fresh leaves. Based experiment results, average female produced 584.9 eggs. Survival, pupation emergence rates 91.1%, 100% 96.3%, respectively. conclusion, pair 391 adult offspring (58.8% females). This research supplies optimized mass-breeding technique for commercial production hoverfly, which will be helpful promote application green fruits vegetables.