1. The threat of higher temperatures to pollinating insects Jon Harrison, Michael Dillon , Jordan Glass, Meredith Johnson2. The challenge of balancing fungicide use and pollinator healthAdrian Fisher II, Gloria DeGrandi-Hoffman, Ling-Hsiu Liao, Rafaela Tadei, and Jon F. Harrison3. Insecticide effects on pollinating insectsJames Crall and Nigel Raine4. Effects of invasive pathogens and parasites on pollinating insectsJay Evans, Kirsten Traynor, Marla Spivak5. Heavy metal pollutants: the hidden pervasive threat to honey bees and other pollinatorsColine Monchanin, Christina Burden, Andrew B. Barron, Brian H. Smith6. Honey bee nutritional ecology: from physiology to landscapesGabriela Quinlan and Christina Grozinger