is a 1968 Japanese science fiction horror film directed by Kazui Nihonmatsu.

Plot

The film opens with stock footage of an atomic blast and transitions to the Anan Archipelago, a fictional island group resembling the Ryukyo Islands. Here, Akiyama Joji is meant to be collecting rare insects for biologist Dr. Nagumo but is instead found with Annabelle, a blonde woman. Overhead, an American bomber plane carrying an H-bomb experiences an insect-induced flashback in one of its crew, Charly, causing a panic. The plane is soon engulfed by a massive swarm of insects, leading to a catastrophic crash with four parachutes spotted descending.