Monster from Green Hell

In this 1957 science fiction B movie, American scientists Dr. Quent Brady and Dan Morgan are tasked with sending various animals and insects into space to test their survival rates. When a rocket carrying wasps malfunctions, they are exposed to cosmic radiation that causes the wasps to grow to giant size, terrorizing people and animals in Africa's "Green Hell". Two astrobiologists embark on an expedition to retrieve the experiment, facing formidable challenges and battling gigantic monsters as they quest for food.