A worldwide community photographing and learning about wildlife
Mantis religiosa
Wonderful photo! I feel pretty confident that this is a Chinese Mantid. They are quite prevalent on Long Island (I live here too). Here is one that looks like yours:
http://bugguide.net/node/view/581732
Please consider adding this wonderful spotting to the Marvelous Mantids of the North East mission:
http://www.projectnoah.org/missions/1573...
Thanks!