Risk (% probability) and time to reach topical LD50 (T50 in days) for worker bees, estimated as contact exposure with 1 g of contaminated pollen, at average or maximum levels, during 2 days.

A = acaricide; F = fungicide; I = insecticide; IGR = insect growth regulator; IS = insecticide synergist.

Mixture LD50 estimated in accordance with known synergistic ratios [67], [68], [69].

Chronic LD50 for 77 days exposure.