Ctenizidae and Idiopidae families cover their nests with a lid. Dig deep burrows in the soil, which invest with silk and cover the entrance with a lid that closes well by soil, vegetable material and cobweb. This camouflaged entrance is used to hunt the game - when insects approach, The spider quickly opens the lid, grabs the victim and pulls it in. These spiders are mainly found in warmer areas, like Australia, South America and southern Europe.