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Psalmopoeus cambridgei, the Trinidad chevron tarantula, is a species of spider in the family Theraphosidae, endemic to Trinidad. Its venom is the source of psalmotoxin and vanillotoxin which are classified as inhibitor cystine knot proteins. Psalmotoxin may be of therapeutic use in patients with a stroke.
Intense pain, muscle stiffness, possible nausea, and vomiting are the telltale signs of a black widow spider bite, and these symptoms will likely occur within a few hours after being bitten ...
Psalmopoeus irminia are unique in their striking black coloration paired with vibrant orange chevron and leg markings. Like other Psalmopoeus, this species can often be found in tree cavities at a medium height. Females reach six inches in diagonal leg span on average while males can reach 5 inches.
It is sometimes called the giant black and white tarantula because it can reach a leg span of 18–23 cm (7–9 in). Scientifically, this is a thinner banded regional variant of Acanthoscurria geniculata, also from the Amazon basin. [4]
Argiope aurantia is a species of spider, commonly known as the yellow garden spider, [2] [3] black and yellow garden spider, [4] golden garden spider, [5] writing spider, zigzag spider, zipper spider, black and yellow argiope, corn spider, Steeler spider, or McKinley spider. [6] The species was first described by Hippolyte Lucas in 1833.
Photographer Nicky Bay says in his blog describing the mirror spider: "The silver plates on its abdomen seem to shrink when the spider is agitated, or perhaps threatened."
One group of spiders that is fairly active this time of year that breaks this stereotype are the wolf spiders. More Nature News: Owls usher in the Halloween spirit with 'who-cooks-for-you' call
These spiders are characterized by their chalky white coloration with mottled black and brown markings. Notably, these tarantulas have very thick rear legs, leading many to believe that they are baboon spiders, however, they are not in the baboon spider subfamily of Harpactirinae. These tarantulas are an "old world species" originating from ...