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It was restored to family level and redefined in 2025 based on a phylogenetic study of Pisauridae that found the family to be paraphyletic. [3] Morphologically, they differ from pisaurids in possessing a subterminal lateral apophysis below the fulcrum in males, and in females by possessing small, rounded accessory bulbs.
Dolomedes / d ɒ l ə ˈ m iː d iː z / is a genus of large spiders of the family Dolomedidae.They are also known as fishing spiders, raft spiders, dock spiders or wharf spiders.Almost all Dolomedes species are semiaquatic, with the exception of the tree-dwelling D. albineus of the southeastern United States.
They have been deemed to be the world's most dangerous spiders on clinical and venom toxicity grounds, [119] though this claim has also been attributed to the Brazilian wandering spider (genus Phoneutria). [124] There were about 100 reliably reported deaths from spider bites in the 20th century, [125] compared to about 1,500 from jellyfish ...
Pseudostigmatids prey on spiders about 3 to 6 mm in body length, avoiding larger ones. They prefer soft-bodied spiders, which can be eaten more quickly. They have never been observed feeding on ground-dwelling spiders, though they do catch web-building spiders that drop to the ground or retreat to a rolled leaf in an attempt to escape.
Bolas-using spiders are species of four related genera. [1] [2] [3] (Distributions are from the World Spider Catalog. [7]) Cladomelea Simon, 1895 – Central and South Africa; Exechocentrus Simon, 1889 – Madagascar; Mastophora Holmberg, 1876 (syn. Agathostichus) – North and South America
The Goliath birdeater (Theraphosa blondi) belongs to the tarantula family Theraphosidae.Found in northern South America, it is the largest spider in the world by mass (175 g (6.2 oz)) and body length (up to 13 cm (5.1 in)), and second to the giant huntsman spider by leg span. [1]
Florian and Diana Schnös discovered cannibalism within the species of giant huntsman spiders in a cave near Vang Vieng in Laos. [3] Female individuals may eat male individuals after mating, [citation needed] a characteristic more commonly associated with the genus Latrodectus, the true widows, although it is considered normal spider behavior.
The genus Argiope includes rather large spiders that often have a strikingly coloured abdomen. These spiders are distributed throughout the world. Most countries in tropical or temperate climates host one or more species that are similar in appearance. The etymology of Argiope is from a Latin word argentum meaning silver. [2]