The microscopic C. elegans worms were found to be able to leap, both alone and in a large group, and stick to a passing insect using an electrical charge.
Bombus terrestris
, which was charged by rubbing with flower pollen in the lab. The charge on the bumblebee was measured with a coulomb-meter to be 806 pC , which was within the range of bumblebee charges and of the same order of flying insect charges observed in nature, suggesting that electrical interactions occur among different species," the paper says.Being able to stick to passing insects may be beneficial to the worms as it allows them toStock image of a Caenorhabditis elegans worm.
"For small animals, especially wingless and legless animals such as worms, dispersal and host-seeking are crucial problems because their migration processes are very slow and energetically costly," Sugi continued. "Therefore, as a dispersal strategy, smaller animals are attached to passing larger animals, such as insects or birds, to move over long distances. This kind of interaction, in which an animal uses a host animal for the purpose of dispersal, is called phoresy.Other animals have been seen to use electrostatic fields to their advantage in small ways. Fish species
can sense predators and prey nearby using an electric sensing organ, while bumblebees themselves are capable of detecting the electric fields found around flowers.
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