If you are using the app then just go to your photo and there are 4 options just below the photo and the third one from the left are the suggestion. Press on it and then you will see the suggestion, so just press accept.
I think this is Hyles gallii.
http://bugguide.net/node/view/716500/bgimage
http://bugguide.net/node/view/230537/bgimage
http://bugguide.net/node/view/696085/bgimage
http://bugguide.net/node/view/31976/bgimage
Hey and welcome to Project Noah, would be nice if you could add your organisms form Denmark to Danish Wildlife mission, Tak :), http://www.projectnoah.org/missions/26095005
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