Monster from Green Hell (1957)

Plot

A rocket intended to transport wasps into space for research on weightlessness and radiation spirals out of control, crashing into the heart of the African jungle. Two astrobiologists, responsible for the experiment, embark on a daring expedition to recover their subjects. Upon arrival, they encounter an alarming situation: the wasps have mutated into colossal creatures, wreaking havoc and instilling terror among the local wildlife as they search for sustenance. The scientists must confront these monstrous insects before they wreak further chaos in the jungle.