. . "Thereva nana" . . "7837967" . "Thereva nana" . "Fallen, 1815" . "941275" . _:b76089222 . . "Thereva nana Fallen, 1815" . . _:b76089222 "GBIF id" . . _:b76089222 "7837967" . . _:b76089222 . _:b76089222 .