Yang (1935) synonymized Eusthenes jason Stål, 1870, E. polyphemus Stål, 1863, and E. touchei Fallou, 1887; and tentatively synonymized E. hercules Stål, 1870, E. humeralis Distant, 1921, E. rubefactus Distant, 1901, and E. thoracicus Distant, 1900, with this species.