"Gerris thoracicus Schummel, 1832" . "237323" . _:b75516508 . "Schummel, 1832" . "urn:lsid:faunaeur.org:taxname:450577" . "Gerris thoracicus" . "Gerris thoracicus" . _:b75516508 "urn:lsid:faunaeur.org:taxname:450577" . . . . . . . "Gerris thoracicus" . _:b75516508 "Fauna Europaea id" . . . _:b75516508 . _:b75516508 .