Applied Entomology and Zoology
Online ISSN : 1347-605X
Print ISSN : 0003-6862
ISSN-L : 0003-6862
Life-History Parameters of the Hawthorn Spider Mite, Tetranychus viennensis ZA CHER(Acarina : Tetranychidae), on Deciduous Oak
Tetsuo GOTOH
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1986 Volume 21 Issue 3 Pages 389-393

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Abstract

Life-history parameters of Tetranychus viennensis ZACHER were investigated at 25±1°C and 15L-9D. The total developmental time was 12.1 (♀) and 11.9 (♂) days. The intrinsic rate of natural increase (rm), net reproductive rate (R0) and mean generation time (T) were 0.172, 32.32 and 22.14, respectively. These parameters are compared with data on Tetranychus urticae KOCH.

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© the Japanese Society of Applied Entomology and Zoology
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