Pesticides found in pollen trapped off honey bees returning to the nest.

aWe divided LD50 values given as µg/bee (g) by 0.128 (equivalent to multiplying by 7.8) to obtain ppm when necessary [85]. If multiple values have been published, we include only the smallest.
bHeptachlor has been banned for use on cranberries since 1978 [87], but can persist in the soil for extended periods of time.
cAp = apple, Bl = blueberry, Cr = cranberry, Cu = cucumber, Pu = pumpkin, Wa = watermelon.
*Used by beekeepers within the hive for parasitic mite control.
†Relative risk different from 1 at the 95% confidence level.
NA indicates information that is not relevant to control diets.