Edvardsson studied the bruchid beetle ( Callosobruchus maculates ), giving some females unlimited access to water, while others were not.

• 埃克塞特大学研究人员爱德瓦森发现，一些昆虫品种，包括特定种类的甲虫、蛾及蟋蟀，其雄虫射精量出奇多，有的甚至可达约10%25体重。