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Thorell, 1869. Diversity. 19 genera, 337 species. Uloboridae is a family of non- venomous spiders, known as cribellate orb weavers or hackled orb weavers. Their lack of venom glands is a secondarily evolved trait. Instead, they wrap their prey thoroughly in silk, cover it in regurgitated digestive enzymes, and then ingest the liquified body.
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".
White-tailed spiders. Yellow sac spider. Harvestman. Camel spiders. References. List of medically significant spider bites. Appearance. A number of spiders can cause spider bites that are medically important. Almost all spiders produce venom but only a few are classified as "venomous" and able to cause significant harm to humans. [ 1 ]
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] It is also called the Goliath tarantula or Goliath bird-eating ...
The Texas brown tarantula, Aphonopelma hentzi, also known as the Oklahoma brown tarantula or Missouri tarantula, [ 2 ] is one of the most common species of tarantula living in the Southern United States today. Texas brown tarantulas can grow to leg spans in excess of 10 cm (4 in), [ 3 ] and weigh more than 85 g (3 oz) as adults.
Though tarantulas are venomous, the bite of North American species typically has a mild result in humans, according to the National Capital Poison Center. Tarantulas rarely bite unprovoked, and ...
Antilles pinktoe tarantulas are arboreal (tree-dwelling). They spin elaborate funnel webs in which they spend most of their time. Spiderlings of C. versicolor are bright blue with a black tree trunk pattern on the abdomen. As they grow, they gradually lose their blue coloration; the carapace turns green, the abdomen red, and the legs turn green ...
Mygale scoparia. Mygale testacea. Mygale hirsutissima. Avicularia avicularia, sometimes called the pinktoe tarantula, is a species of tarantula native from Venezuela, Guyana, Suriname, French Guiana and Trinidad and Tobago to Peru, Bolivia and Brazil. [1] This species is sometimes called the Guyana pinktoe, or South American pinktoe.