A cockroach.
I can't think of a bug it's likely to be moulting
a cockroach is bad for you
it's a cockroach
A large swimming cockroach with segmented sturdy legs and stag beetle-like pincer antennae is what the biggest bug looks like. A bug taxonomically is a member of the Belostomatidae insect family, of which South American water bugs (Lethocerus grandis, L. maximus) are the largest, with total measurements exceeding 3-1/2 inches (9 centimeters).
a stink bug...
Cockroach
catipillar cockroach
There is no difference. A water bug is a type of cockroach. It is different from the more common American Cockroach, which is why some people claim it is not a roach.
A cockroach is a bug or pest that is very hard to get rid of. They eat nearly anything and reproduce rapidly.
a water bug
The bug that looks like a burnt popcorn kernel is called a sow or pill bug. Pill bugs are members of the woodlice family, but are able to roll up in a ball.
an earwig