Several commercial cultivars of cotton are compared with a frego bract line for oviposition preference of the cotton fleahopper. There was a significant preference for the frego bract line over all commercial cultivars. A significant difference in preference for commercial cultivars was also exhibited. It was shown that reduction in yield by fleahoppers is difficult to measure and a preference for oviposition is not necessarily correlated with loss of yield. Acala lines showed strong non preference and no reduction of yield. The cotton fleahopper, cotton and predator interaction model demonstrated a cultivar, year, and climatic interaction.