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Sinopoda scurion is a species of huntsman spider discovered in 2012 in a Laotian cave. It has a leg span of about 6 centimetres (2.4 in) and a body span of about 12 millimetres (0.47 in). It is the first recorded huntsman spider to lack eyes. [1] Due to its dark cave habitat, it has no requirement of vision for hunting. [2]
The Kauaʻi cave wolf spider (Adelocosa anops, the only species in the genus Adelocosa), also known to local residents as the blind spider, is only known to occur in a few caves in a lava flow with an area of 10.5 km 2 (4.1 sq mi) in the Kōloa–Poʻipū region of Kauaʻi, Hawaiian Islands, and only six populations are known to exist. [3]
The species is classified as a member of troglofauna, more precisely a troglobiont species, meaning such spiders are obligate cave-dwellers adapted to living in dark surroundings. [3] [4] Stalita taenaria is a species of a few European countries. [5] The spider is thought to be the first described species of true (eyeless [6]) cave spider in ...
Telemidae, also known as long-legged cave spiders, is a family of small haplogyne spiders. Most are cave dwelling spiders with six eyes, though some do not have any eyes at all. Most are cave dwelling spiders with six eyes, though some do not have any eyes at all.
Cicurina madla is a rare species of spider in the family Cicurinidae, [1] known by the common name Madla Cave meshweaver. It is endemic to Texas , United States, where it is known to originate from only eight or nine caves in Bexar County . [ 3 ]
In some cave species, there are no eyes at all (e.g. Stalita taenaria). Sometimes one pair of eyes is better developed than the rest. Several families of hunting spiders, such as jumping spiders and wolf spiders, have fair to excellent vision. The main pair of eyes in jumping spiders even sees in colour. [1]
Leptonetidae is a family of small spiders adapted to live in dark and moist places such as caves. [1] The family is relatively primitive having diverged around the Middle Jurassic period. [ 2 ] They were first described by Eugène Simon in 1890.
The cocoon (2–3 cm in radius) contains an average of 200/300 eggs and is laid near the cave entrance at the end of the summer. After hatching, the spiderlings remain in the cocoon until the first molt, feeding on the yolk. They leave the cocoon in spring, move towards the cave entrance and disperse via ballooning outside the cave. [5] [7]