Bionomics of Coleophora obducia(Lepidoptera:Coleophoridae)
2003
Shin, S.C. | Choi, K.S. | Park, I.K. | Kim, C.S. (Korea Research Institute, Seoul, Republic of Korea) | Chae, C.S. (Chungbuk Forest Environmental Research Station, Chungwon, Republic of Korea)
The life history and natural enemies of Coleophora obducia Meyrick which is a defoliating pest of Larix leptolepis were studied mainly in Chungchongbuk Province. Larix leptolepis was the only host plant of this pest. Coleophora obducia had one generation per year and the adults emerged from mid May to late with a peak emergence around May 14th. The mean number of eggs in an ovary was 44.5 and most females oviposited one egg on each needle. The duration of the egg stage was about two weeks. Larvae passed the winter in a pouch made by spinning the needles. Pupation began in the late April, and the pupal period was two weeks on average. The natural enemies observed were parasitoids and predators.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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