Source: Penn State University's College of Agricultural Sciences

As beekeepers harvest honey and make preparations for the winter, researchers continue to investigate why as many as a quarter of the nation's commercial beekeepers have lost up to 90 percent of their honey bee colonies to the mysterious ailment known as Colony Collapse Disorder. But at least now, there's reason for hope. A research group led by Diana Cox-Foster, professor of entomology in Penn State's College of Agricultural Sciences, has identified a recently discovered pathogen, Israeli Acute Paralysis Virus (IAPV), the presence of which is strongly correlated with hives suffering from the disorder.

"We have not proven a causal relationship between any infectious agent and CCD," the researchers reported. But their findings "indicate that IAPV is a significant marker for CCD."

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