In the laboratory experiment, Andrade and Kasumovic exposed males to pheromones, chemical signals that some animals give off as a form of communication, often of a sexual nature.

• 在实验过程中,安德雷德和卡苏莫维克让雄性红背蜘蛛接触到信息素。信息素是一种动物释放出来交流信息的化学信号,通常与性有关。