First identified by San Francisco State University biologist John Hafernik in 2008, bees infected by parasite flies are now labeled Zombie Bees. The parasites attach themselves to the bee’s body and begin eating the insides out of the bee. This causes the bee to abandon their hive at night and fly erratically, seeking a light source, then die.
Infected bees have been discovered in California, the Pacific northwest, South Dakota, Colorado, New York and Minnesota.
Hafernik started a web site called ZomBee Watch to track the spread of infected bees.
The extent to which the parasite contributes to overall Colony Collapse Disorder is currently unknown.