Overwintering Ecology of the Peach Pyralid Moth, Dichocrosis punctiferalis in Southern Regions of Korea
2004
Kang, C.H. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, S.M. (Korea Forest Research Institute, Jinju, Republic of Korea) | Chung, Y.J. (Korea Forest Research Institute, Seoul, Republic of Korea) | Park, C.G. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: [email protected] | Choi, K.S. (Korea Forest Research Institute, Seoul, Republic of Korea)
Overwintering ecology of the peach pyralid moth, Dichocrosis punctiferalis Guenee (Lepidoptera: Pyralidae) was studied in laboratory and in a chestnut orchard in 2001/2002 winter and 2003 spring. All twenty-four female and fourteen male moths were fruit-feeding type which were emerged from the larvae collected at the same chestnut orchard in 2003 winter. Periodical thermal treatment of overwintering larvae at 25℃ revealed that diapause termination of the larval population started from the end of January and was completed until April 20 in southern region of Korea. Pupation of diapause-terminated larvae started from early May and reached to 100% at June 3 in chestnut orchard.
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