Most of the facts about the Black Widow are probably enough to give you sufficient knowledge about this fatal spider. The Black Widow, or also famous as the Latrodectus, is a catergory of spider in the family Thridiidae. The category consists of 32 recognized species distributed around the world. The list includes the North American black widows, the button spiders of Africa, and the deadly Australian redback. Individual species may vary hugely in size. But in majority of cases the females have dark color. While they are readily identifiable by reddish hourglass shape markings on their abdomen. Furthermore, to get to understand more about this spider, below are some facts about the Black Widow you will have interest in.
Fact 1: Venomous Bite
The venomous bite of these spiders is popular as mainly fatal because of the neurotoxin latrotoxin. It results in the condition latrodectism, both named for this category.
Facts 2: Female Black Widow
The female black widow consists of unusually large poison glands. While her bite is specifically dangerous to humans. However, Latrodectus bites rarely kills if proper medication is provided to the patient.
Facts 3: Research
Research at the University Hamburg in Germany tells this ultimate sacrifice strategy has evolving. Mainly to promote the survival odds of the species. However, females of few species only rarely show this kind of behavior. In fact, much of the recorded evidence for mate cannibalism has been observed specifically in laboratory cages where the males were unable escape.
Facts 4: Tensile Strength
The great tensile strength. While various physical traits of Latrodecturs hesperus (western black widow) silk were said to be quite similar to the characteristics of silk from orb-weaving spiders. They had been testing in various other studies. Their tensile strength for the three kinds of silk measured in the Blackledge study was nearly about 1000 MPa.
Facts 5: Hourglass Figure
The southern black widow, along with the closely related western and northern species. Majority of them were previously popular as the same species. While having a prominent red hourglass figure on the below of its abdomen.
Facts 6: Species
You can easily locate Black Widow spiders on every continent of Earth except Antarctica. In North America, the black widows mostly popular as southern, western, and northern black widow spiders. You can also locate these spiders in the United States. Mostly in the rural areas of the continent. These spiders usually consists of “gray” or “brown” and the “red ” colors.
Facts 7: Worldwide Spider
Latrodectus geometricus, the grey widow, brown widow or brown button spider can be easily located in, USA, South America, Africa and Australia. It remains unclear where this spider has its origins. However, you can locate them in many warm, cosmopolitan places.
Facts 8: Bites
Mainly due to the presence of latrotoxin in their poison, black widow bites are practically fatal. In fact, it may cause systemic effects including severe muscle pain, abdominal cramps, tachycardia, along with muscle spasms.
Facts 9: Symptoms
The Symptoms mostly last for 3–7 days, but may continue for several weeks. According to popular belief, most people who are bitten suffers no serious damage, not resulting in death. But some bites can be deadly, mostly to small children, the elderly, or the infirm.
Facts 10: Pain Medications
You can use various pain medications. Antivenom in single trial may not appear to be very useful to the bitten. I recommend visiting the nearest hospital before doing anything.
Hope you found those Black Widow facts really interesting, useful and helpful for your knowledge while reading.