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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 katipō 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.
Spider behavior refers to the range of behaviors and activities performed by spiders. Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom . They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms [ 1 ] which is reflected in their ...
The katipō's closest relative is the Australian redback spider (Latrodectus hasseltii). [ 4 ] [ 5 ] Latrodectus katipo and L. atritus (black katipō) were previously thought to be two separate species, [ 6 ] [ 7 ] but research has shown that they are a single species, L. katipo , with colour variation that is clinal over latitude and ...
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]