Pesticides, Nosema and Pollen

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Crop Pollination Exposes Honey Bees to Pesticides Which Alters Their Susceptibility to the Gut Pathogen Nosema ceranae
Jeffery S. Pettis, Elinor M. Lichtenberg, Michael Andree, Jennie Stitzinger, Robyn Rose, Dennis vanEngelsdorp mail
Published: July 24, 2013
•DOI: 10.1371/journal.pone.0070182

A report that covers pesticides and its relation to Nosema.
But the part I thought was interesting was the pollen.

http://www.plosone.org/article/info:doi ... uthcontrib

From the report:
A pollen sample’s fungicide load significantly affected Nosema prevalence among bees fed that pollen.
Our pollen samples contained an average of nine different pesticides, ranging as high as 21 pesticides in one cranberry field.