Biological interactions are complex mechanisms. When male spiders mate they are generally at the end of their natural lifespan anyway, so even in the cases where the female spiders do eat the males, it is not simply a case of ruthless treachery as people may imagine.
生物的交互關係是複雜的機制，公蜘蛛在交配後，生命也多半已到盡頭，因此母蜘蛛吃掉公蜘蛛，並非人類想像的僅是翻臉無情那樣簡化的理由。