Cytological and morphological differences between two species of the genus Tettigonia (Orthoptera, Tettigoniidae) from Korea.

Tettigonia ussuriana and T. dolichopoda maritima differ in the length of tegmina, details in venation, and in females in details of the subgenital plate. The two species of the genus Tettigonia have the same number and morphology of autosomes but a different morphology of the X chromosome: in T.