For both sexes, there is a clear trend toward longer and darker body hair from south to north (Fig. 3A, C, E, G, I, K ).
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New and little-known bees of the genus <i>Colletes</i> Latreille, 1802 (Hymenoptera, Colletidae) from the Nakhchivan Autonomous Republic of Azerbaijan, with descriptions of two new species.
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