Table 2. Generalized linear model testing for the effects of variables on total development time.

Effect	Wald Chi-Square	df	Significance
Population	16.509	1	<0.001
Sex	1.864	1	0.172
Instar number	84.268	2	<0.001
Population * Sex	1.659	1	0.198
Population * instar number	0.558	2	0.455
Sex * instar number	3.560	2	0.059
Population* sex* instar number	0.557	2	0.455