The Deadly Mantis

The name of this movie is The Deadly Mantis released in 1957-05-01 and it's main theme is The calving of an Arctic iceberg releases a giant praying mantis, trapped in suspended animation since prehistoric times. It first attacks military outposts to eat their occupants, then makes its way to the warmer latitudes of Washington and New York. A paleontologist works together with military units to try to kill it..