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Grzywacz B, Heller K-G, Warcha?owska-?liwa E, Karamysheva TV, Chobanov DPetrov. Evolution and systematics of Green Bush-crickets (Orthoptera: Tettigoniidae: Tettigonia) in the Western Palaearctic: testing concordance between molecular, acoustic, and morphological data. Organisms Diversity & Evolution. 2017;17(1):213 - 228. Available at: http://link.springer.com/10.1007/s13127-016-0313-3.

Grzywacz B, Heller K-G, Lehmann AW, Warcha?owska-?liwa E, Lehmann GUC. Chromosomal diversification in the flightless Western Mediterranean bushcricket genus Odontura (Orthoptera: Tettigoniidae: Phaneropterinae) inferred from molecular data. Journal of Zoological Systematics and Evolutionary Research. 2014;52(2):109 - 118. Available at: http://doi.wiley.com/10.1111/jzs.2014.52.issue-2.

Hemp C, Heller K-G, Warcha?owska-?liwa E, Grzywacz B, Hemp A. Review of the Plangia graminea (Serville) complex and the description of new Plangia species from East Africa (Orthoptera: Phaneropteridae, Phaneropterinae) with data on habitat, bioacoustics, and chromosomes. Organisms Diversity & Evolution. 2015;15(3):471 - 488. Available at: http://link.springer.com/10.1007/s13127-015-0216-8.

Hemp C, Heller K-G, Warcha?owska-?liwa E, Grzywacz B, Hemp A. Biogeography, ecology, acoustics and chromosomes of East African Eurycorypha Stål species (Orthoptera, Phaneropterinae) with the description of new species. Organisms Diversity & Evolution. 2013;13(3):373 - 395. Available at: http://link.springer.com/10.1007/s13127-012-0123-1.