• DOI:10.1098/rspb.1994.0060
Corpus ID: 85369463

Environmental control of horn length dimorphism in the beetle Onthophagus acuminatus (Coleoptera: Scarabaeidae)

@article{Emlen1994EnvironmentalCO,
  title={Environmental control of horn length dimorphism in the beetle Onthophagus acuminatus (Coleoptera: Scarabaeidae)},
  author={D. Emlen},
  journal={Proceedings of the Royal Society of London. Series B: Biological Sciences},
  year={1994},
  volume={256},
  pages={131 - 136}
}

D. Emlen

Published 1994

Biology

Proceedings of the Royal Society of London. Series B: Biological Sciences

Impressive examples of male ornamentation occur in horned beetles. Many beetle species are characterized by substantial amounts of phenotypic variation in horn length, and in some species this variation is biomodally distributed so that males may be separated into two groups on the basis of horn length. Two discrete male morphs are present in natural populations of Onthophagus acuminatus (Coleoptera: Scarabaeidae), a dung beetle common to lowland tropical forests of Panama. Large males possess… CONTINUE READING

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