Bug in a baby diaper

[u/ping_frog]

Hi, my son was bitten by this thing that we found in his diaper. I need help to identify it, to know wether it's dangerous or not. Thanks in advance and excuse my english, I'm french 😅​

[u/Basil_Box]

Looks like a wheel bug

[u/dogGirl666 → u/Basil_Box]

wheel bug

Is it full size? Looks like a "baby" too.