Correlation plots of six body traits and body size of B1 (filled circles) and B2 (open circles). Correlation coefficients and statistical significance are given in the panels (NS, P>0.05; *, P<0.05; **, P<0.01; ***, P<0.001). Allometric coefficients are given within parentheses in the body size panels. HW, head width; HL, head length; TW, thorax width; TL, thorax length; EW, elytron width; EL, elytron length.