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Does sexual conflict contribute to the maintenance of alternative reproductive tactics?

Sex-limited expression of sexually antagonistic traits may help resolve intra-locus sexual conflict, but the extent of this resolution remains a subject of debate. We found that females of the bulb mite (a species in which aggressive fighters coexist with benign scramblers) from lines selected for fighters (high fitness males) are less fecund and live shorter than females from lines selected for scramblers (low fitness males). This finding suggests that intralocus sexual conflict may be an important mechanism contributing to the maintenance of genetic variation in the expression of alternative reproductive phenotypes.


Plesnar Bielak, A., Skrzynecka, A. M., Miler, K., & Radwan, J. (2014). Selection for alternative male reproductive tactics alters intralocus sexual conflict. Evolution.