The team measured the head, thorax, abdomen, and bilateral forceps dimensions and analyzed shape differences in both sexes. They found that males have thick, short, and curved forceps, while ...

Female earwigs may be evolving exaggerated weaponry just like males. A study from Toho University found that female forceps, once assumed to be passive tools, show the same kind of outsized growth ...

They found that males have thick, short, and curved forceps, while females have thin, long, and straight ones—indicating clear sexual dimorphism.