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Pseudoscorpions, also known as false scorpions or book scorpions, [1] are small, scorpion-like arachnids belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida. Pseudoscorpions are generally beneficial to humans because they prey on clothes moth larvae, carpet beetle larvae, booklice , ants , mites , and small ...
Chelifer cancroides was one of the two pseudoscorpion species described by Linnaeus in the 10th edition of Systema Naturae.Both Species were assigned to the mite genus Acarus, then transferred to Phalangium by Linnaeus in 1767 and to Scorpio in 1775 by Fabricius.
The studies on pseudoscorpions of Sri Lanka dated back to 1913 with the contributions of Ellingsen, who described Olpium jacobsoni. In 1930, Chamberlain described two pseudoscorpions, whereas Max Beier described Paratemnus ceylonicus in 1932. However, the first extensive study on pseudoscorpions were carried out by C. Besuchet and I. Löbl in 1970.
Arachnids in the order Pseudoscorpionida (Pseudoscorpionides, Pseudoscorpiones) — the pseudoscorpions, sorted by superfamilies, families, or genera. Subcategories This category has the following 10 subcategories, out of 10 total.
Surface-adapted pseudoscorpions have more sclerotin than cave-adapted pseudoscorpions. Cave-adapted pseudoscorpions have reduced pigmentation and therefore less of a reddish color due to a lack of exposure to sunlight. Because Tooth Cave pseudoscorpions are cave-adapted, they have less rigid exoskeletons than surface-adapted pseudoscorpions. [8]
Garypus titanius, the giant pseudoscorpion, is the largest species of pseudoscorpion—small, scorpion-looking creatures—in the world. Critically endangered, it is restricted to Boatswain Bird Island, a small rocky island off Ascension Island in the South Atlantic Ocean. [3]
Chthonius is a genus of pseudoscorpions, first described by Carl Ludwig Koch in 1843. [1] There are more than 100 species which are distributed from Europe to Iran, North Africa, Balearic Islands and the USA. There is one cosmopolitan species. There are also fossil species from the Eocene of Poland and the Russian Federation.
Neobisiidae is a family of pseudoscorpions distributed throughout Africa, the Americas and Eurasia and consist of 748 species in 34 genera. Some species live in caves while some are surface-dwelling. Some species live in caves while some are surface-dwelling.