Figure 1

Pollen (a) and sugar water (b) use by B. impatiens microcolonies for control, 0.7 ppb imidacloprid and 7.0 ppb imidacloprid treatments. Horizontal bars between boxes indicate significant differences between treatments, asterisks indicate the Dunn's test significance values associated with the pairwise comparison (**: 0.01 > p > 0.001).