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Male crickets with bigger heads are better fighters, study reveals, echoing ancient Chinese text
Date:1/7/2009

ere selected for differences in head size and consequently were different in the size of maxillae and mandibles. In the first experiment, males were closely matched for body size (pronotum length), and in the second, they were matched for body mass. Males with proportionately larger weaponry won more fights and increasing differences in weaponry size between males increased the fighting success of the male with the larger weaponry.

By examining weaponry, this NSERC-funded study provides a new avenue by which researchers can understand aggression in field crickets.


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Contact: Kevin Judge
kevin.judge@utoronto.ca
905-828-5267
Public Library of Science
Source:Eurekalert

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