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International Journal of Tropical Insect Science (1)

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Growth patterns of the ladybird (Harmonia axyridis Pallas) relative to variations in population genetics
R. P. Kuang, N. N. Xiao
Journal:

Insect Science and Its Application / Volume 16 / Issue 1 / March 1995

Published online by Cambridge University Press:

08 April 2017, pp. 35-38

Print publication:

March 1995
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Differences in population growth among four variation types of the ladybird beetle, Harmonia axyridis Pallas, namely succinea, conspicua, spectabilis and aulica, were investigated using various growth parameters. The variation types showed three growth patterns from the intrinsic growth rates (rm), with rates of 0.093–0.099 (for conspicua and aulica), 0.073 (for succinea) and 0.040 (for spectabilis). The growth rates of these patterns were realised in different ways. Spectabilis differed from the other three types in the age and per cent distribution of the specific period to the rm values.