New species records 10

A sample of osmiine bees from Bulgaria and Greece contained several specimens of a new European Heriades species of the subgenus Michenerella. The females exactly correspond morphologically to the females of Heriades hissaricus, which was known so far from Central Asia, Iran and Turkey. The new European records indicate that H. hissaricus has a much larger distribution area than hitherto thought. However, as the male of H. hissaricus is not yet known, the European specimens might possibly represent a still undescribed species, which cannot be distinguished from H. hissaricus in the female sex.

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