Signals of selection beyond bottlenecks between exotic populations of the bull-headed dung beetle, Onthophagus taurus.

Abstract excerpt

Colonization of new environments can lead to population bottlenecks and rapid phenotypic evolution that could be due to neutral and selective processes. Exotic populations of the bull-headed dung beetle (Onthophagus taurus) have differentiated in opposite directions from native beetles in male horn-to-body size allometry and female fecundity. Here we test for genetic and transcriptional differences among two...

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