• Title/Summary/Keyword: 동백가는나방

Search Result 2, Processing Time 0.019 seconds

Life History, Seasonal Occurrence and Natural Enemies of Caloptilia theivora (Lepidoptera: Gracillariidae) at Tea Tree Plantation (동백가는나방(Caloptilia theivora)의 생활사, 발생소장 및 천적의 종류)

  • 이승찬;김상수;김도익
    • Korean journal of applied entomology
    • /
    • v.34 no.3
    • /
    • pp.229-233
    • /
    • 1995
  • The life history, seasonal occurrence of larval population and natural enemies of Tea leaf roller (Caloptilia theivora (Walshingham) were investigated in field-age. C. theivora had 6 generations a year. The developmental periods from egg to adult emergence were 32.1~38.6 days in spring and fall, and 24.8~32.7 days in summer. The average longevities of adults were 8.4~14.5 days in spring and fall, and 6.3~8.6 days in summer. The average number of eggs laid by a female were 55~71 throughout the season. Larval population density of C. theivora showed 3~4 peaks from middle may in 1992 and 1993. However, population density of 194 was pretty low in early season and exhibited a peak in late September-early October. C. theivora overwintered in pupal stage on the leaves. Four hymenopterous parasitoids of C. theivora larvae were identified ; they are Stenomesius japonicus (Ashmead), Sympiesis ringoniellae Kamijo, Elasmus sp., and S. dolichogaster Ashmead which is dominant.

  • PDF