Deep Look | Varroa Mites Are a Honeybee's 8-Legged Nightmare | Season 10 | Episode 14 | PBS

Every year, up to half the honeybee colonies in the U.S. die. Varroa mites, the bees’ ghastly parasites, are one of the main culprits. After hitching a ride into a hive, a mite mom hides in a honeycomb cell, where she and her offspring feed on a growing bee. But beekeepers and scientists are helping honeybees fight back.