Even After Being Eaten, This Beetle Has Two Ways Out Alive

Even After Being Eaten, This Beetle Has Two Ways Out Alive

At a glance, the Japanese water scavenger beetle Regimbartia attenuata looks like any other beetle. It is small, black, and pleasantly round. It has your standard set of beetle legs (six) and is otherwise unassuming. It is, you might imagine, the exact kind of bug that a frog would seek as a snack. But this water scavenger beetle is impervious to trials and tribulations that would kill any other insect. For one, it can pass through one end of a …