, Volume 12, Issue 1, pp 47-64

Distribution of Tettigoniinae (Orthoptera, Tettigoniidae) bush-crickets in Turkey: the importance of the Anatolian Taurus Mountains in biodiversity and implications for conservation

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Abstract

The distribution of Tettigoniinae (Orthoptera, Tettigoniidae) specieswithin four phytogeographical provinces in Turkey is reviewed and presented onthe basis of field and collection studies during 1987–2001 andmiscellaneous data from previous literature. One hundred and sixty speciesbelonging to 28 genera have been recorded. The Anatolian species constituteapproximately 30% of the world-wide species of the subfamily, with a very highproportion (≥83%) being endemic or semi-endemic, nearly all of which arebrachypterous. Regarding the numbers of total and endemic species, theprovinces can be ordered as follows: Mediterranean > Irano-Anatolian >Euxin > Mesopotamia. Also, Anatolian Tettigoniinae have a very high rate ofendemism in each province; 84.1% in the Mediterranean, 78.1% in Irano-Anatolia,56.3% in Mesopotamia and 42.4% in Euxin. The two provinces in Anatolia havingthe greatest species diversity are also the two most mountainous provinces, soit is suggested that a primary factor in Tettigoniinae diversity is theAnatolian Taurus mountains. Finally, some conclusions are drawn on biodiversityand conservation of Tettigoniinae species in Anatolia and I have suggested 23species to be included in the 'IUCN Red List' under VU B2+ac.