Female defence polygyny in the bumblebee wolf, Philanthus bicinctus (Hymenoptera: Sphecidae)

@article{Gwynne2004FemaleDP,
  title={Female defence polygyny in the bumblebee wolf, Philanthus bicinctus (Hymenoptera: Sphecidae)},
  author={Darryl T. Gwynne},
  journal={Behavioral Ecology and Sociobiology},
  year={2004},
  volume={7},
  pages={213-225}
}
In the digger wasp Philanthus bicinctus the first adult males emerge about a week before the first females. The sex ratio of emerging wasps is near unity. Females appear to mate once and do so when they first start to nest, not when they first emerge. Males defend mating territories in a large area of female ground nests. Territoriality begins when females first start to nest and throughout the season coincides with the digging activities of females initiating rests. During the day… CONTINUE READING