Abstract

The variance-mean relationship of 92 cereal leaf beetle (CLB) egg and larval samples was represented by a 2nd order log-log model. Maximum likelihood estimates of sample negative binomial k's were found to be independent of sample mean density and mean instar. Common k's were estimated to be 2.56 for eggs and 1.44 for larvae. Of four variance stabilizing transforms, z=log (x+c) was recommended as best.

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