Cockroaches are dark brown or black with six legs and a hard outer shell to protect their wings. They have flat, oval-shaped bodies with two long antennae on either side of their heads.

One of the oddest parental strategies on display in nature — like something out of a horror movie — is that of the adult cockroach wasp, a new species of which was discovered in China ...

For as long as humans have been around, the cockroach has been an uninvited house guest. But how much do you know about these resilient creatures? Britain has three native species of cockroach.