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This summer, scientists are warning residents of Texas, Arizona, and other southwest states to stay alert for the return of deadly black widow spiders. These spiders, particularly the females, have a potent neurotoxic venom called latrotoxin, which is 15 times stronger than a rattlesnake bite. This venom can cause severe health issues, including chronic muscle pain, spasms, heart problems, abdominal cramps, and paralysis of the diaphragm, leading to breathing difficulties. The venom is especially dangerous for children, the elderly, and people with disabilities.

Precautionary measures

Experts from Texas A&M University advise residents to be careful when handling stored items or working in places where black widows might hide, such as basements and storage areas. Pest management specialist Bryant McDowell mentioned that these spiders are often found in outdoor trash cans, BBQ smoke pits, and under patio furniture. T.J. Martin from the University of Arizona noted that black widows can be identified by their shiny black color and red hourglass mark on their abdomen. Their webs look messy, unlike the neat and symmetrical webs of other spiders.

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Active during summer nights

Black widow spiders are most active during hot summer nights. In June, residents of Arizona should be particularly cautious. According to Texas Parks and Wildlife, black widows prefer hidden outdoor spots like portable toilets, abandoned sheds, and cellars. Only the female black widow is dangerous to humans. A bite might feel like a pinprick and can cause swelling, two faint red spots, and severe muscle pain lasting up to 48 hours. Other symptoms include nausea, excessive sweating, tremors, difficulty breathing and speaking, and vomiting. Without quick medical attention, a black widow bite can lead to a weak pulse, unconsciousness, and even death.

Residents are advised to seek immediate medical help if bitten. Staying vigilant and taking precautions can help prevent dangerous encounters with these spiders.

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