For example , they target their blood squirting according to the angle of attack , while females , which do not stridulate , rely on squirting and biting and vomiting up food they 've eaten more than males .

举例来说，它们会沿着自己被攻击的角度去喷射血液，而对于雌性蟋蟀，由于不能鸣叫，它们比雄性更依赖于这种喷射，撕咬和呕吐食物的行为。