Researchers at McGill University and University of Toronto have gone back in evolutionary time to observe the arms race between male and female water striders.
The researchers found that as the antennae became more elaborate, the males’ mating success increased. “This means that the struggle over mating could account for the ever increasing elaboration of these antennae,” says study leader Locke Rowe.
Full story at Futurity.
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Photo credit: McGill University