Results of regressions of horsenettle’s relative fitness on (A) the proportion of buds cut at each of the four insecticide-treatment levels (lowest, medium, high, and highest represent 11, 4, 2, and 0 sprayings, respectively), and on (B) the flea-beetle-damage index at each of the five flower-damage treatment levels (lowest, low, medium, high, and highest represent targets of 0, 20%, 40%, 60%, and 80% of buds clipped, respectively). P values are shown only for regression slopes significantly different from 0 at an alpha of < 0.05. The numeric estimates of all the slopes and the associated p values are shown in Tables 4–5.