Seed beetles (IMAGE) Uppsala University Caption Mating in the seed beetle (Callosobruchus maculatus) causes damage to the females' reproductive tract from the males' spiny genital structures, but the spiniest males also have the healthiest offspring. Credit Julian Baur Usage Restrictions Only to be used when reporting about this study. 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.