Resistance to an endophyte,Acremonium coenophialumMorgan-Jones&Gams, and management tactics were evaluated against several leafhopper species under field conditions. ‘Georgia-5’ tall fescue,Festuca arundinaceaSchreb., was planted to a randomized block design split plot with a factorial arrangement of pest management treatments in the subplot. Leafhopper and froghopper populations were monitored throughout the year by taking sweep samples approximately every 2 wk. Of the 28 species of leafhoppers and froghoppers collected, 6 species of leafhoppers and 1 species of froghopper comprised over 80% of the specimens collected. With the exception of the nematicide treatment, there was no significant difference in leafhopper population densities due to chemical treatments. Four species of leafhoppers and one species of froghopper showed significantly higher population densities on endophyte-free tall fescue when compared with the endophyte-infected tall fescue plots. The greatest differences between endophyte-free and endophyte-infected tall fescue plots occurred at leafhopper peak seasonal densities. Although chemical treatments apparently have little effect on leafhopper population densities, theAcremoniumendophyte provides tall fescue with resistance against some leafhopper species.