Fig. 6. Repeatability of laboratory running speed measures for adults and larvae.
Data shown are running speeds measured immediately after field collection and
after first temperature treatment for beetles of three predominant PGI
genotypes (1-1: diamonds; 1-4: circles; 4-4: triangles). Residuals of one-way
ANOVA (effects of treatment temperature on running speed) were used as
dependent variables in regression analysis, to factor out direct effects of
treatment temperature on laboratory running speed. Regression analyses,
y=0.75+0.54x, R2=0.20,
F1,368=88.0; P<0.0001 (adults);
y=0.05+0.23x, R2=0.05,
F1,179=8.3, P<0.005 (larvae).