New data on the distribution of the genus Roeseliana Zeuner, 1941 (Orthoptera, Tettigoniidae, Tettigoniinae) in the southwestern Balkans, with description of R. epirotica n. sp.

This article provides new biogeographical data on the genus Roeseliana Zeuner, 1941 in the southwestern Balkans, with the description of a new species, Roeseliana epirotica n. sp., discovered in four localities of the meso-Mediterranean zone of the Epirus region in Greece and Albania. From the supra-Mediterranean zone and upper, in Albania, Greece and also in the Republic of North Macedonia, we have only observed Roeseliana ambitiosa (Uvarov, 1924), with which R. epirotica n. sp. was probably confused in its most Mediterranean localities. These two taxa are nevertheless well differentiated, especially by the shape of the subgenital plate in the female and the shape in the titillators of the male.