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New-world tarantulas—those indigenous to the Americas—have bites that generally pose little threat to humans (other than causing localized pain). The primary defense deployed by these spiders is by means of urticating hairs, which can cause irritant symptoms in humans. Cobalt blue tarantula (Haplopelma lividum), an old-world species
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".
Spiders do not feed on humans and typically bites occur as a defense mechanism. [20] This can occur from unintentional contact or trapping of the spider. [20] Most spiders have fangs too small to penetrate human skin. [21] Most bites by species large enough for their bites to be noticeable will have no serious medical consequences. [22]
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 ...
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]
Brown recluse spiders, which also offer a medically significant bite to humans, are not native to Pennsylvania but can be found in a wide range of the U.S., primarily in southern and Midwestern ...
"While all spiders do produce some venom to help capture and consume their prey, none of these pose any real threat to humans," Lawrance said. While seeing spiders on a regular basis may be a sign ...
* This value is based on experience with human exposures. ** Several other kinds of tarantulas in the pet trade are regarded as giving non-trivial bites. Tarantulas are typically far larger than spiders with the most toxic kinds of venom. However, the sheer volume of the venom may compensate for its lesser toxicity.