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Aphonopelma is a genus of tarantulas native to the Americas. It includes nearly all the North American tarantula species north of Mexico and a considerable percentage of the tarantula species that range into Central America. Most are fairly large tarantulas with leg spans of 6 in (16 cm) or more.
Xenesthis is a genus of tarantulas that was first described by Eugène Louis Simon in 1891. [2] As of February 2024 [update] it contains five species, found in Colombia and Venezuela , [ 1 ] though it was previously considered to be found in Panama .
As the name suggests, the coloration of A. anax primarily consists of tan colors and dark shades of brown. It is similar in coloration to Aphonopelma hentzi, another common Texas species, but is considerably darker. This species has urticating hairs like many New World tarantulas, but lacks any stridulating hairs on their chelicerae. [2]
Although like most new world tarantulas it possesses urticating hairs, if provoked, they would much rather flee than attack. Their venom is not as irritating as many other species of tarantulas. The Brazilian black is a slow grower, taking up to eight years to reach maturity, reaching up to 18 cm (7 in).
Although it has hairy legs, this tarantula is an Old World species and does not have urticating hairs on its abdomen. (Urticating hairs are hairs found in most new world species (those from North and South America) that can be shed in defence, they are barbed and may cause severe itching.) It also has a leg span which may reach 8 inches (20 cm).
Like all Old World tarantulas, spiders in the genus Cyriopagopus lack the urticating hairs found in their New World counterparts, [7] hence use biting as a primary means of both attack and defence. Some Cyriopagopus species are among those reported to have more toxic venom. Although bites may cause severe pain and a range of other effects, no ...
Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. [2] As of December 2023, 1,100 species have been identified, with 166 genera. [3] The term "tarantula" is usually used to describe members of the family Theraphosidae, although many other members of the same infraorder (Mygalomorphae) are commonly referred to as "tarantulas" or "false tarantulas".
The skeleton tarantula, Ephebopus murinus, is a species of spider belonging to the family Theraphosidae (tarantulas), sub-family Aviculariinae. A New World species, it is native to several South American countries. Its common name is derived from the skeleton-like markings on its legs.