Search results
Results from the WOW.Com Content Network
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.
[28] [29] Most bites are caused by female spiders; the male katipō was considered too small to cause systemic envenoming in humans. [10] However, bites from male redback spiders have been reported, suggesting male Latrodectus spiders can cause envenoming in humans. Bites by male spiders are much rarer than those by females, perhaps due to ...
Symptoms of spider bites vary depending on the type of spider and if their venom is poisonous. Venomous spider bites can cause many side effects, according to the CDC , such as: High blood pressure.
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.
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]
These spiders are brown in color with long legs attached to a body of roughly 9 millimeters in length, Penn State Extension writes. Brown recluse spiders sport three pairs of eyes arranged in a ...
Katipō bites have been known to cause systemic effects, such as hypertension, seizure, or coma, though no deaths as a result of katipō bites have been recorded for over 200 years. Its more dangerous close relative, the venomous Australian redback spider, has established a foothold in some parts of New Zealand, notably in Taranaki and Central ...