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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]
The bite from an Eastern tarantula is not fatal to a human, but can cause up to six hours of vomiting.The venom can cause death to a dog or cat within thirty minutes. [3] [8]In May 2010 a scientist living near Cooktown, Queensland, was bitten on her right index finger and experienced symptoms never reported before in research literature.
Locally, it is known as a matacacata ("tarantula-killer"). This is a very large parasitoid wasp, with an iridescent blue-green body and orange-red wings that grows to about 2 inches or more in length. It captures the spider in its burrow or sometimes in the open and stings it to paralyze it and then lays its eggs on the abdomen.
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".
Omothymus schioedtei is a large and colourful arboreal tarantula from the subfamily Ornithoctoninae. It is a very large spider with a leg span of 22 cm and a carapace length above 3 cm. There is a distinct sexual dimorphism. The male is olive green with faint yellow leg striation. The male has a blunt tibial apophysis and long slender legs.
There are more than 3,500 different kinds of spiders in the U.S., but only two pose a real threat to Mississippi, Alabama and Georgia residents.
A venomous spider bite (like this brown recluse bite) can cause a red or purplish rash radiating from the site of the bite. There are only a few species of spiders in the U.S. that can bite humans.
The name "tarantula" is commonly given to spiders in this family. It is a misnomer - it was originally given to a smaller wolf spider from Taranto, Italy, where, in the Middle Ages, people danced themselves into a trance - called the tarantella - in an attempt to purge the effects of the wolf spider's bite. [citation needed]