Performance experiments with A. obtectus on beans of 26 wild bean populations from Mexico.

adegrees of freedom.bWald Chi squared test.Asterisks indicate significant values.n.s. indicate not significant values.50 eggs were added to each container (N = 8) and for each beetle its sex, weight and developmental time was determined. To half of the containers we added 2 pairs of Dinarmus basalis parasitoids. A. obtectus weight was analysed using an Anova table of the linear mixed effects model (lme) with bruchid weight as dependent variable and the container as random variable. Developmental time was analysed using an Analysis of deviance table (type II test) of the generalized linear mixed model (GLMM) with developmental time as dependent variable and container as random factor. Survival rate of A. obtectus was analysed using an Analysis of deviance table (type II test) of the generalized linear model (GLM). The dependent variable in the model was the number of successful emergences of beetles over the failures and the container was the random variable.