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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]
Latrodectus hasselti, the redback spider. The widow spiders (genus Latrodectus), such as the black widow, redback spider, and katipÅ are spiders that carry a neurotoxic venom [18] which can cause a set of symptoms known as Latrodectism. Widow spiders are large, shiny house spiders with relatively spindly legs and deep, globular abdomens.
A wasp was then observed dragging a redback spider to its nest in a garden in Beaconsfield Western Australia in 2010. [4] Researchers then found an earlier instance from 1950 from South Australia. [3] It is the first species of spider wasp to be recorded as a parasitoid of the redback spider. [3]
Redback spider. Australia has a number of highly venomous spiders, including the Sydney funnel-web spider, [1] its relatives in the family Hexathelidae, and the redback spider, whose bites can be extremely painful and have historically been linked with deaths in medical records. [2]
In 2005, Andrade was named one of the Brilliant 10 by Popular Science magazine. [11] She appeared in the second episode of Season 4 of Nova ScienceNow. [12] In 2020 Andrade was featured in and presented an episode of CBC's The Nature of Things with David Suzuki about recent discoveries at the Burgess Shale, called "First Animals", [13] and was interviewed for Quirks & Quarks on her research ...
The venom of widow spiders (Latrodectus) contains several protein toxins, called latrotoxins, which selectively target either vertebrates, insects or crustaceans. One of these toxins is α-latrotoxin and targets selectively against vertebrates; it is ineffective in insects and crustaceans. α-LTX has a high affinity for receptors that are ...
Phidippus johnsoni, the red-backed jumping spider or Johnson jumping spider, is one of the largest and most commonly encountered jumping spiders of western North America. It is not to be confused with the unrelated and highly venomous redback spider ( Latrodectus hasselti ).
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