No fecundity cost of female secondary sexual trait expression in the horned beetle Onthophagus sagittarius.

Abstract excerpt

Typically males bear the products of sexual selection in the form of ornaments and/or weapons used to compete for and attract females. Secondary sexual traits in females have been thought of as the product of correlated responses to sexual selection on males. However, there is increasing phylogenetic evidence that female secondary sexual traits can arise independently of selection on males, and may be subject to...

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