[MechSkep]

It's hard to say with CCD being so large and varied. One thing we know is that beehives exposed to certain pesticides [1] are much more likely to collapse.

[1] http://www.hsph.harvard.edu/news/press-releases/study-streng...

[dllthomas]

It's hard to believe that spraying a bunch of stuff to kill insects all over might have a negative affect on insects.