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Trapdoor spider is a common name that is used to refer to various spiders from several different groups that create burrows with a silk-hinged trapdoor to help them ambush prey. Several families within the infraorder Mygalomorphae contain trapdoor spiders: Actinopodidae, a family otherwise known as 'mouse-spiders', in South America and Australia
Ctenizidae (/ ˈ t ə n ɪ z ə d iː / tə-NIZZ-ə-dee) [2] is a small family of mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation, and silk. . They may be called trapdoor spiders, as are other, similar species, such as those of the families Liphistiidae, Barychelidae, and Cyrtaucheniidae, and some species in the Idiopidae and Nemesiid
Antrodiaetidae, also known as folding trapdoor spiders or folding-door spiders, is a small spider family related to atypical tarantulas. They are found almost exclusively in the western and midwestern United States, from California to Washington and east to the Appalachian Mountains . [ 1 ]
Because its plate resembles a coin it is commonly referred to in Chinese media as the "Money Trapdoor Spider". [6] The male Cyclocosmia ricketti are about 20.5 millimeters in length while the females of the species tend to be slightly bigger at around 25.83 to 30.0 millimeters in length.
The Sydney brown trapdoor spider (Arbanitis rapax, synonym Misgolas rapax) is a spider in the family Idiopidae, found primarily around Sydney, Australia. It is usually shy and retiring and is often confused with the Sydney funnel-web spider , which is one of the most venomous spiders in the world.
The Parilarilao trapdoor spider is considered “medium sized,” reaching about 0.5 inches in length, the study said. It has “eight eyes ringed with black,” claws and a brown, hairy body.
Each burrow has two or three entrances that lead into a main tube. The trapdoor is a form of safety and ways of ambushing prey. Idiopidae adapt and live in many various environments as seen by the map on the far right, which leads to the various species to co-exist with other Idiopidae and other spiders outside of the family. [4]
Gaius villosus is a species of spider in the family Idiopidae (armored trapdoor spiders) found in Western Australia in a variety of different habitats. [2]Originally described in 1914 as Gaius villosus by William Joseph Rainbow, [1] [3] in 1957 it was transferred to Anidiops by Barbara York Main [1] [4] (a genus no longer recognized).