Plot: "Alien Empire" concludes with a look at how insects have spread and how humans have tried to combat that expansion. Included: crickets that have adapted to climatic extremes; the threat posed by gypsy-moth caterpillars

Nature - Season 14 - Alien Empire: Voyagers and War of the Worlds (Episode 10)
Episode Aired On:
Tuesday, February 13 1996
29 years ago
Tuesday, February 13 1996
29 years ago