Spiked Genitals Spur Beetle Evolution
When you purchase through links on our site , we may earn an affiliate commission . Here ’s how it works . The genitalia of male seed beetles are extraordinarily setose , helping to cast anchor the male inside females as they attempt to instill them . Unfortunately , these spike damage the females , potentially compromise the full generative missionary work . Now scientists have discovered an evolutionary arms race with these beetle genitals , with distaff genitals rise tougher the spinier the male private parts are ....