Bug

In a desert region of the United States, on a beautiful summer day, strange incandescent insects rise from a crevice, opened by a powerful earthquake. They are a horde of mutant roaches with the unfortunate ability to scorch all that they touch. Soon a farmer and his son perish, carbonized in their van. A biologist, James Parmiter, is puzzled by these fire insects. After the death of his wife, burnt alive, he attempts to couple them with ordinary bugs...