There is evidence that neonicotinoids are harmful to bees and there is also evidence that they aren't. Why makes you so sure it's a slam dunk explanation?
Hell, even the EPA and Dept of Agriculture conducted a massive study and said it's pretty far down the list of factors in the decline of the honey bee population.
Your characterization of your two sentences and a link as a "Well thought out counter-argument" aside... it was a question you've dodged, so thanks for the answer. ;)
Hell, even the EPA and Dept of Agriculture conducted a massive study and said it's pretty far down the list of factors in the decline of the honey bee population.
[1]http://www.usda.gov/documents/ReportHoneyBeeHealth.pdf