Nilviäiset was released in the year 1975。Nilviäiset is also called as Bug, Insectes de feu, Feuerkäfer, Får inte vara sant, Chrzaszcz, Bug insetto di fuoco, Bicho。

An earthquake releases a strain of mutant cockroaches with the ability to start fires, which proceed to cause destructive chaos in a small town. The studies carried out by scientist James Parmiter, however, reveal an intent with much more far-reaching consequences.

Nilviäiset actors and actresses include Jesse Vint, Patty McCormack, William Castle。