Abstract
A survey of the leafhopper and planthopper fauna of bermudagrass, Cynodon dactylon (L.), was conducted in Georgia during 1985 and 1986. Four species of delphacid planthoppers and 28 species of leafhoppers were collected. Leafhopper species accounting for at least 1% of the total number of adult leafhoppers in both years were Endria inimica (Say), Exitianus exitiosus (Uhler), Graminella nigrifrons (Forbes), G. sonora (Ball), Polyamia weedi (Van Duzee), Planicephalus flavocostatus (Van Duzee), Psammotettix lividellus (Zetterstedt), and Stirellus bicolor (Van Duzee). These species collectively represented 92.3 and 95.1% of all specimens collected in 1985 and 1986, respectively. Liburniella ornate (Stal) was the most abundant planthopper in 1985, whereas Delphacodes propinqua (Fieber) was the predominant planthopper in 1986. E. exitiosus, E. inimica , G. nigrifrons, P. lividellus, P. weedi , and D. propinqua occurred during the period of greatest reported damage, or in sufficient densities to be suspected of causing economic damage to bermudagrass.
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