. "Dusek & L\u00E1ska, 1967" . "Megasyrphus Dusek & L\u00E1ska, 1967" . . _:b75790825 . "Megasyrphus" . _:b75790825 . "1539313" . "Megasyrphus" . _:b75790825 "GBIF id" . . "Megasyrphus" . "194535" . . . _:b75790825 "1539313" . . _:b75790825 . . .