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Background In insect societies, intracolonial genetic variation is predicted to affect both colony efficiency and reproductive skew. However, because the effects of genetic variation on these two colony characteristics have been tested independently, it remains unclear whether they are affected by genetic variation independently or in a related manner. Here we test the effect of genetic variation...
We surveyed the behavioral properties of unusual large workers in the parthenogenetic queenless ant, Pristomyrmex pungens. The majority of colonies mostly consist of monomorphic workers, which have two ovarioles (small workers). Large workers with four ovarioles are occasionally found in some colonies. We compared the behavior of small and large workers. Large workers performed brood care less frequently...
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