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NOTES ON THE SPATIAL PATTERN OF HYPERA POSTICA (COLEOPTERA: CURCULIONIDAE) ON ALFALFA

Published online by Cambridge University Press:  31 May 2012

C. D. F. Miller ,
M. K. Mukerji  and
J. C. Guppy
C. D. F. Miller
Affiliation:
Research Station, Canada Department of Agriculture, Harrow, Ontario
M. K. Mukerji
Affiliation:
Research Station, Canada Department of Agriculture, Ottawa, Ontario
J. C. Guppy
Affiliation:
Research Station, Canada Department of Agriculture, Ottawa, Ontario
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Abstract

The Poisson and the negative binomial series, Taylor’s power law, and Morisita’s Iδ-index were used to interpret the dispersion of field counts of the immature stages of Hypera postica (Gyll.) on alfalfa. The data conformed consistently to an overdispersed distribution. Transformations are offered for stabilizing the variance of field counts.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 12 , December 1972 , pp. 1995 - 1999
Copyright
Copyright © Entomological Society of Canada 1972

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