The cicada fauna of French Guiana is surveyed. A total of 53 species representing 17 genera, six tribes and two subfamilies has been reported as inhabiting the country. Nine new species Hyantia bahlenhorsti n. sp., Carineta apicoinfuscata n. sp., C. guianaensis n. sp., C. modesta n. sp., C. quinimaculata n. sp., Selymbria danieleae n. sp., Taphura boulardi n. sp., T. egeri n. sp., and T. maculata n. sp. are described. The first records of Ariasa marginata (Olivier, 1790), Fidicina robini Boulard & Martinelli, 1996, Fidicinoides jauffreti Boulard & Martinelli, 1996, Fidicinoides sucinalae Boulard & Martinellli, 1996, Guyalna nigra Boulard, 1999, Majeorona truncata Goding, 1925, Majeorona bovilla Distant, 1905, Carineta argentea Walker, 1852, C. doxiptera Walker, 1858, C. illustris Distant, 1905, C. lichiana Boulard, 1986, and C. ventralis Jacobi, 1907 are provided. In total, the cicada fauna of French Guiana is increased by 64.2%, with endemism determined to be 34%.
Insecta, Hemiptera, Cicadoidea, Cicadidae, Cicadinae, Cicadettinae, French Guiana, new species.