Figure 2. Number of honey bee adults and brood during and after exposure to canola grown from control or clothianidin-treated seed.

Mean number of (A) adult honey bees and (B) sealed brood cells in colonies during and after placement in canola fields grown from seeds treated with or without (control) clothianidin (n = 5 fields per treatment). Colonies were in canola for 14 days and thereafter moved to an isolated apiary away from agricultural crops.