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Latrodectus là một chi nhện, trong họ Theridiidae, trong đó có 31 loài được công nhận. Nhện góa phụ là tên phổ biến là đôi khi áp dụng cho các thành viên của chi do hành vi của con cái ăn con đực sau khi giao phối, mặc dù đôi khi những con đực của một số loài không ăn sau khi ...
Latrodectism (/ l æ t r ə ˈ d ɛ k t ɪ z əm /) is the illness caused by the bite of Latrodectus spiders (the black widow spider and related species). Pain, muscle rigidity, vomiting, and sweating are the symptoms of latrodectism.
Identification: red hourglass on otherwise black spider. Females tend to be larger and deliver more venom ; Genus: Latrodectus; Black widows live in southern Canada and every U.S. state except Alaska. Bites are more common in warmer months ; Aptly named because of their sexual cannibalism (but only occurs approximately 2% of the time)
Black widows are not especially aggressive spiders, and they rarely bite humans unless startled or otherwise threatened. [ 33 ] Contrary to popular belief, most people who are bitten suffer no serious damage, let alone death.
19 Σεπ 2024 · Black widow spiders, or Latrodectus mactans, are a type of venomous spider species known for their shiny black torsos and the red hourglass-shaped marks on their abdomens. Each year, more...
The symptoms are caused by lymphatic absorption and vascular dissemination of the neurotoxin. The symptoms that result from a black widow spider bite are collectively known as latrodectism.
9 Ιουλ 2024 · A black widow spider bite looks like 2 small dots surrounded by a red, swollen bump. It might cause you intense pain, muscle cramps, and excessive sweating. If you think you’ve been bitten by a black widow spider, seek medical attention as soon as possible.
