Sugar concentration (% in Brix) in the nectar produced at the EFNs in the group of plants (seven species) assessed at three distinct times of the day.

<p>The lines among periods connect the medians. The vertical line represents the interquartile range. Kruskal-Wallis test, H = 44.67; df = 2; p < 0.001 (**). The letters refer to differences between the treatment periods–those with the same letters are not significantly different according to Dunn’s post-hoc. The X-axis numbers in parentheses show the mean temperature (mean ± SE) in each period.