News Ecosystems

Honeybee death mystery deepens

Colony collapse disorder linked to mix of fungal and viral infections

By Eva Emerson

- More than 2 years ago

SAN DIEGO, Calif. – A one-two punch by a gut parasite and viruses may help explain the mysterious decline in U.S. honeybees seen over the last four years.

BEE GONE Scientists discovered that the fungus Nosema ceranae had infiltrated U.S. bee colonies just a year or two before bee numbers began dropping.