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The evolution and distribution of mountain biota are closely linked with mountain formation and topographic complexity. Here we explore the diversification of cold‐tolerant mayflies of the subgenus Epeorus (Caucasiron) in the south‐eastern Greater Caucasus, an area of dynamic changes in topography since the Miocene, driven by the convergence of the Greater and Lesser Caucasus. We hypothesized that...
First records of the following species of the family Dolichopodidae are given for Armenia: Asyndetus latifrons (Loew, 1857), Sybistroma obscurella Fallen, 1823, Hercostomus chetifer (Walker, 1849), H. vivax (Loew, 1857), Chrysotimus molliculus (Fallén, 1823), Rhaphium discigerum Stenhammar, 1851, Sympycnus pulicarius (Fallen, 1823), Teuchophorus monacanthus Loew, 1859, and Xanthochlorus tenellus (Wiedemann,...
The feeding habits of two different populations of Perla pallida from two different streams in Armenia are described. Among Plecoptera, Perlidae have been particularly well studied regarding their feeding habits, but the trophic behaviour of this species all along its distribution area was neglected. This is the first information on the nymphal diet of this species. The aim of the present paper is...
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