Influence of Different Preserve Methods for the Sexuale Number and Survival Rate of Chinese Horned Gall Aphid, Schlechtendalia chinensis (Bell)

YANG Zi-xiang; LV Xiang; YANG Hong-yan; CHEN Xiao-ming

Different preserve methods for the sexuale number and survival rate of Chinese horned gall aphid, Schlechtendalia chinensis (Bell), were examined. The results demonstrated that the columnar aphid bag filled with corn husks increased the sexuale number and survival rate of sexuale. Compared with the triangle-shaped aphid bag filled with palm fibre, the sexual female number, sexual female/fundatrix survival number, sexual male number and total sexuale number of the columnar bag filled with corn husks increased by 107.6%, 229.1%, 71.1% and 87.5%, respectively; and the female/fundatrix survival rate increased 21.1% at the same time. The numbers of sexual female, sexual male and sexuale of the aphid bags had significantly negative correlations with the spring migrant number. The sexual female/fundatrix number and survival number had significantly positive correlations with the sexual male number, sexuale number and the female and male ratio. Environmental factors could influence the emergence period of spring migrant aphid obviously, but could not influence the sexuale number.

1. Research Institute of Resource Insects, Chinese Academy of Forestry

Received Date: 2010-09-07

Abstract: Different preserve methods for the sexuale number and survival rate of Chinese horned gall aphid, Schlechtendalia chinensis (Bell), were examined. The results demonstrated that the columnar aphid bag filled with corn husks increased the sexuale number and survival rate of sexuale. Compared with the triangle-shaped aphid bag filled with palm fibre, the sexual female number, sexual female/fundatrix survival number, sexual male number and total sexuale number of the columnar bag filled with corn husks increased by 107.6%, 229.1%, 71.1% and 87.5%, respectively; and the female/fundatrix survival rate increased 21.1% at the same time. The numbers of sexual female, sexual male and sexuale of the aphid bags had significantly negative correlations with the spring migrant number. The sexual female/fundatrix number and survival number had significantly positive correlations with the sexual male number, sexuale number and the female and male ratio. Environmental factors could influence the emergence period of spring migrant aphid obviously, but could not influence the sexuale number.

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Reference (17)

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Influence of Different Preserve Methods for the Sexuale Number and Survival Rate of Chinese Horned Gall Aphid, Schlechtendalia chinensis (Bell)

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References

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通讯作者: 陈斌, bchen63@163.com

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