<i>Callosobruchus maculatus</i> (IMAGE) University of Cincinnati Caption Two seed beetles of the species Callosobruchus maculatus demonstrate sexual selection in action. Credit Michal Polak Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.