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The katipō (Latrodectus katipo) is an endangered species of spider native to New Zealand. It is one of many species in the genus Latrodectus, such as the Australian redback (L. hasseltii), and the North American black widow. The species is venomous to humans, capable of delivering a potentially dangerous bite. It is a small to medium-sized ...
The New Zealand spider with the largest leg span is the Nelson cave spider (Spelungula cavernicola), with a leg span of up to 13 centimetres (5.1 in) and a 3 centimetres (1.2 in) body length. The Australian white-tailed spider, first recorded in New Zealand in 1886, has been falsely attributed as the cause of many necrotising spider bites. [4]
A study conducted by researchers at Lewis & Clark College on a single female C. captiosus found that it carried a total venom protein of 604.25. [7] It has been reported that a bite from this species is described as a needle-like puncture with subsequent swelling about the site, nausea, dizziness, and flulike symptoms that persist for several days. [8]
The two main types of venomous spiders in Florida are widow and recluse spiders, according to the Florida Department of Agriculture and Consumer Services. Black widows , particularly females, are ...
Porrhothele antipodiana, the black tunnelweb spider, is a species of mygalomorph spider that lives in New Zealand. It is the most common and widespread of several species in the genus Porrhothele, and is especially common in the greater Wellington region where the vagrant mature males are often encountered in or around dwellings.
Other spiders in western states that might possibly cause necrotic injuries are the hobo spider, desert recluse spider, and the yellow sac spider. For example, the venom of the hobo spider , a common European species now established in the northwestern United States and southern British Columbia , has been reported to produce similar symptoms ...
The redback spider (Latrodectus hasselti), also known as the Australian black widow, [2] [3] [4] is a species of highly venomous spider believed to originate in Australia but now, Southeast Asia and New Zealand, it has also been found in packing crates in the United States with colonies elsewhere outside Australia. [5]
People unfamiliar with spider taxonomy commonly confuse large species with tarantulas, but huntsman spiders can generally be identified by their legs, which, rather than being jointed vertically relative to the body, are twisted in such a way that in some attitudes the legs extend forward in a crab-like fashion. [6]