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A new species, Robustocheles (Robustocheles) alani sp. n., is described from the Tsey Gorge in the Central Caucasus. The new species is most similar to R. (R.) montana but differs in the presence of a spiniform famulus on rhagidial organ II, six setae on coxal fields III and 12 setae on tarsus III in adults. This is the second species of the genus Robustocheles discovered in the Central Caucasus and in Russia.
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V. B. Kolesnikov (2025) studied this question.
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