"Oligotergus" . . "Oligotergus" . _:b75949308 "GBIF id" . _:b75949308 . . "744917" . _:b75949308 . . _:b75949308 . "Oligotergus Bierig, 1937" . . . . _:b75949308 "4713977" . . "Bierig, 1937" . "4713977" . . "Oligotergus" .