What is the electrical charge of a bumblebee? [study]

The idea that flying insects might be naturally electrified – and that electric charges could be a significant factor in the pollination of plants – goes back nearly a century. (ref. Heuschmann, O. (1929), Über die elektrischen Eigenschaften der Insekten Haare, Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, 10(4), 594- 664.) […]