Chobanov DPetrov, Grzywacz B, Iorgu I?tefan, m.fl. Review of the Balkan Isophya (Orthoptera: Phaneropteridae) with particular emphasis on the Isophya modesta group and remarks on the systematics of the genus based on morphological and acoustic data.  2013. Available at: http://biotaxa.org/Zootaxa/issue/view/zootaxa.3658.1.

Heller K-G, Hemp C, Massa B, Koci?ski M, Warcha?owska-?liwa E. Paraplangia sinespeculo, a new genus and species of bush-cricket, with notes on its biology and a key to the genera of Phaneropterinae (Orthoptera: Tettigonioidea) from Madagascar. Journal of Orthoptera Research. 2018;27(2):143 - 153. Available at: https://jor.pensoft.net/articles.php?id=24243.

Hemp C, Voje KLysne, Heller K-G, Warcha?owska-?liwa E, Hemp A. A new genus of African Acrometopini (Tettigoniidae: Phaneropterinae) based on morphology, chromosomes, acoustics, distribution, and molecular data, and the description of a new species. Zoological Journal of the Linnean Society. 2010;158(1):66 - 82. Available at: http://blackwell-synergy.com/doi/abs/10.1111/zoj.2010.158.issue-1https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2009.00542.x.

Heller K-G, Ingrisch S, Warcha?owska-?liwa E, Liu C. The genus Ectadia (Orthoptera: Phaneropteridae: Phaneropterinae) in East Asia: description of a new species, comparison of its complex song and duetting behavior with that of E. fulva and notes on the biology of E. fulva. Journal of Orthoptera Research. 2017;26:39 - 51. Available at: https://jor.pensoft.net/articles.php?id=14548.

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, Hemp A. A new genus and species of African Phaneropterinae (Orthoptera: Tettigoniidae), with data on its ecology, bioacoustics and chromosomes. Organisms Diversity & Evolution. 2010;10(3):215 - 226. Available at: http://link.springer.com/10.1007/s13127-010-0013-3.

Hemp C, Heller K-G, KEHL SIEGFRIED, m.fl. The Phlesirtes complex (Orthoptera, Tettigoniidae, Conocephalinae, Conocephalini) reviewed: integrating morphological, molecular, chromosomal and bioacoustic data. Systematic Entomology. 2010;35(3):554 - 580. Available at: http://doi.wiley.com/10.1111/j.1365-3113.2009.00512.xhttps://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-3113.2009.00512.x.

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.