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Thousands of devices are used by magicians to accomplish their effects. However, most of the devices are never even seen by the audience during the performance of the trick(s). While not generally tricks themselves, some of these devices are very valuable to performers of magic. Topit; A.R. mini-stage [1] Funkenring [2] Gibeciere
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
Many members are known as trapdoor spiders due to their creation of trapdoors over their burrows. Other prominent groups include Australian funnel web spiders and tarantulas , with the latter accounting for around one third of all mygalomorphs.
Aptostichus angelinajolieae, the Angelina Jolie trapdoor spider, is a species of Euctenizidae, nocturnal arthropods who seize their prey after leaping out of their burrows and inject it with venom. [2]
The term is usually understood to be an allusion to the camouflaged hole constructed by the trapdoor spider.. According to United States Marine Corps historian Major Chuck Melson, the term originated in the American Civil War, when it meant a hastily dug foxhole.
They lack the thornlike spines on tarsi and metatarsi I and II (the two outermost leg segments) found in true trapdoor spiders . Many, but not all, make wafer-like doors to their burrows, while others build the cork-like doors found commonly in the true trapdoor spiders.
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]