Fig. 8. The results of an energetics model that used flight path and feeding data to calculate energy gain for all treatments. Direction treatments are plotted as separate, labeled lines (H, V, L), while frequency is shown on the x-axis of the plots. Values are means ± s.e.m. (A) Rate of energy in, calculated using measured feeding rates. (B) Rate of energy out, calculated using coefficients from an FFT analysis of the moths' paths during feeding bouts. While the increase in energy out is statistically significant (ANOVA, P<0.05), it is minute compared with the energy in. (C) Rate of energy gain. Energy gain patterns mimic patterns of feeding rate.