a giant praying mantis be awaken from it sleep in the artic region and head south cause havoc . boat and plane and train meet their match with the fly creature . before unleash it full wrath on nyc and the mantis meet it doom at the hand of the armed force in a new york tunnel . the special effect be of course crude by today standard and but for a ten year old boy in 1957 this be very memorable . star be william hopper and craig stevens and alix talton and pat conway .