Megachilid bees (Hymenoptera: Megachilidae) of the Nakhchivan Autonomous Republic of Azerbaijan: tribes Lithurgini, Dioxyini, and Megachilini Author Maharramov, M. M. Author Fateryga, A. V. Author Proshchalykin, M. Yu. text Far Eastern Entomologist 2021 2021-04-02 428 12 24 http://dx.doi.org/10.25221/fee.428.3 journal article 10.25221/fee.428.3 2713-2196 7165906 60939193-F0CA-4C25-A936-97B57E15BB91 Megachile ( Eutricharaea ) semicircularis auct., nec van der Zanden, 1996 MATERIAL EXAMINED. 1 – 12.VI 2019 , 1 ♀ , MP , KA , MM , 18.VI 2019 , 1 ♀ , 1 ♂ , MP , KA , MM ; 3 – 12.VI 2019 , 2 ♀ , MP , KA , MM ; 7 – 6.VI 2020 , 1 ♀ , MM ; 9 – 20.VI 2019, 2 ♀ , MP , KA , MM ; 11 – 15.VII 2020 , 1 ♀ , MM ; 13 – 16.VI 2019 , 1 ♀ , MP , KA , MM ; 14 – 26-27.VII 2018 , 1 ♀ , MP , KA , MM ; 18 – 13.VI 2019 , 2 ♂ , MP , KA , MM ; 19 – 13.VI 2019, 2 ♀ , MP , KA , MM [FSCV]; 25 – 29.VI 2007 , 1 ♀ , MM [IZAB]; 36 – 21.VII 2018 , 1 ♀ , MP , KA , MM , 26.VI 2020 , 2 ♀ , MM ; 38 – 30.VII 2018 , 2 ♀ , MP , KA , MM [FSCV] . DISTRIBUTION. Southern Europe ( Greece ), Russia (European part), * Azerbaijan , Turkey , Iran . REMARKS. The description of M. semicircularis by van der Zanden (1996) perfectly fits the characters of the specimens listed in the above material; however, the type series includes several taxa and the male holotype does not belong to this species but belongs to M. apicalis (C.J. Praz, in litt.).