Streams in the Mongolian Altai Mountains are mostly fed from glaciers and are extreme conditions for mayflies because of high elevation, low temperatures and low annual precipitation. Previous information about mayflies of Western Mongolia is scarce, but with this study a total of 38 species belonging to 26 genera and subgenera and 8 families of mayflies has been recorded in the Mongolian Altai region. Study material was entirely imagos and collected from 78 sites during expeditions led by the Mongolian Aquatic Insect Survey in 2008, 2009 and 2010. , and are recorded as new to the fauna of Mongolia, and there are new distribution records for , Baetis (Acentrella) lapponica, , Baetis (Labiobaetis) attrebatinus, , , , , , Ecdyonurus (Afronurus) abracadabrus, , Ecdyonurus (Afghanurus) vicinus and Epeorus (Belovius) pellucidus from the Mongolian Altai region. and are the most frequently encountered species in this region.
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| http://dx.doi.org/10.3897/zookeys.638.10198 | DOI Listing |
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