1. Evolution: Lending a Helping Hand in Sperm Competition?
Clarissa M. House, John Hunt, David J. Hosken 
Current Biology 
Volume 17, Issue 3, Pages R90-R93 (February 2007)
DOI: /j.cub
Copyright © 2007 Elsevier Ltd Terms and Conditions

2. Figure 1
Male (bottom) and female (top) Australian field crickets (Teleogryllus oceanicus) just after mating.
Photo courtesy of Francisco García-González.
Current Biology  , R90-R93DOI: ( /j.cub )
Copyright © 2007 Elsevier Ltd Terms and Conditions