. _:b75628325 . . "Hydrochus pupillus" . "Hydrochus pupillus" . _:b75628325 "GBIF id" . _:b75628325 "7968412" . . . _:b75628325 . "Hydrochus pupillus Orchymont, 1939" . . "7968412" . . "Orchymont, 1939" . . "Hydrochus pupillus" . _:b75628325 . . . "609712" .