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Nemesiidae are relatively large spiders with robust legs and a body that is nearly three times as long as it is wide. They are darkly colored, brown to black, though some have silvery hairs on their carapace. [5] Atmetochilus females can grow over 4 centimetres (1.6 in) long. They live in burrows, often with a hinged trapdoor.
Latouchia swinhoei are generally smaller than other trapdoor spiders, their coloration is prominently black, and as they mature, their dense black color begins to fade to a grey-brown mix. They have a pair of jaws and mandibles and eight legs, and eight eyes. The females are generally larger than the males, but the males have larger mandibles.
Cyclocosmia ricketti, like many other trapdoor spiders, dig burrows which are closed off by hatches in the ground instead of making webs (as they are not good at spinning silk) to catch their prey. [6] They line their burrows with silk threads and mud. They use their disk to plug the opening of the burrow. [6]
The trapdoor is hinged on one side with silk. The spiders typically wait for prey while holding on to the underside of the door. Prey is captured when insects, other arthropods, or small vertebrates disturb the 'trip' lines the spider lays out around its trapdoor, alerting the spider to a meal within reach.
Idioctis parilarilao is a species of mygalomorph spider in the Barychelidae family. [1] The species name parilarilao also forms a part of its alternative name, the parilarilao trapdoor spider . In the Paiwan language , parilarilao means "living at the end of Taiwan".
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] Idiopidae are not poisonous and their bites are not fatal to humans.
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
Fagilde's trapdoor spider (Nemesia berlandi) or buraqueira-de-Fagilde in Portuguese, is a trapdoor spider of the family Nemesiidae, [2] currently only known from Fagilde and the adjacent village of Vila Garcia, [3] both in the Mangualde municipality of the Beira Alta region of Portugal, in the isolated slopes of the Dão River valley.