A Diurnal changes in total numbers of bees (blue dots) and wasps (red squares) B solute concentration in fresh honeydew (diamonds) and bumble bee crop contents (red dots). Arrows show times of sunrise and sunset.

  Part of: Cameron SA, Corbet SA, Whitfield JB (2019) Bumble bees (Hymenoptera: Apidae: Bombus terrestris) collecting honeydew from the giant willow aphid (Hemiptera: Aphididae). Journal of Hymenoptera Research 68: 75-83. https://doi.org/10.3897/jhr.68.30495