Monday, May 21, 2012

Trapdoor Spider

The Life of Animals | Trapdoor Spider | The trap door is hard to see if it is closed because the plant material and soil to effectively camouflage. The prey is captured when insects, other arthropods, small vertebrates, or the lines of 'travel' disturb the spider stretches around his door, alerting the spider with a meal at your fingertips. Male trapdoor spiders can overcome the aggressive reactions of the female to approach them, but do not know how. The enemies of Minierspinne pompilids include some wasps (spider), looking for holes, and manage to gain access. When the eggs hatch, the larva eats the spider alive. Unlike other spiders mygalomorph that Ctenizidae a rastellum on chelicerae.

There are about 120 described species of trapdoor spiders. Finding the spider wasps of the subfamily Ctenocerinae in the Neotropics, Africa and Australia are specialized hunters of trapdoor spider The taxonomy of trapdoor spiders is currently not well understood in the United States and many types of common Ummidia generally remain undescribed.

The spiders of this kind are in a mask with flat-opisthosoma to act to exclude as a second opening on predators such as wasps, spiders seem unusually hardened. There are a limited part of the cave of spiders, where the abdominal shield is just. Cyclocosmia Torreya burrows in moss banks along the Apalachicola River in Florida. Other species of trapdoor spiders are found in other parts of the world.

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