Insights into the development and evolution of exaggerated traits using de novo transcriptomes of two species of horned scarab beetles

Scarab beetles exhibit an astonishing variety of rigid exo-skeletal outgrowths, known as "horns". These traits are often sexually dimorphic and vary dramatically across species in size, shape, location, and allometry with body size. In many species, the horn exhibits disproportionate growt...

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