Hymenopterans

My warmest gratitude to Dr. Alexander Fateryga for help with identification.
Xylocopa violacea male Botanical garden, Yalta, Crimea, Russia 20150916 0089  Xylocopa violacea male Botanical garden, Yalta, Crimea, Russia 20150916 0091  Xylocopa violacea male Botanical garden, Yalta, Crimea, Russia 20150916 0092