Male bedbugs use a spear-like organ to stab females in the abdomen before injecting his sperm, leaving a wound and causing possible infections. How does this harmful male trait persist, despite its negative impact on female fitness? If this species is engaged in a sexual arms race, what prediction can we make about the female bedbug's physiology or behavior?

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The Answer of Male bedbugs use a spear-like organ to stab females in the abdomen before injecting his sperm, leaving a wound and causing possible infections. How does this harmful male trait persist, despite its negative impact on female fitness? If this species is engaged in a sexual arms race, what prediction can we make about the female bedbug's physiology or behavior?

Male Bedbugs Use a Spear-Like Organ to Stab Females in the Abdomen