Patterns of parental provisioning covary with male morphology in a horned beetle (Onthophagus taurus) (Coleoptera : Scarabaeidae)

J. Hunt, Leigh Simmons

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Male dung beetles, Onthophagus taurus, are dimorphic for a secondary sexual trait, head horns. Horned males participate in the production of brood masses while hornless male do not. Here we examine the reproductive performance of females mated with males exhibiting alternative horn morphologies. We found that exposure to males may be costly for females in that it reduced the total number of brood masses produced. However, females paired with horned males produced significantly larger brood masses than females paired with hornless males or females producing broods alone. We discuss the possible selection pressures that may underly horn evolution in this genus.
Original languageEnglish
Pages (from-to)447-451
JournalBehavioral Ecology and Sociobiology
Volume42
DOIs
Publication statusPublished - 1998

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