Symptoms of poisonous widow spiders bitten by black widow spiders include tingling in the wound, pallor, redness or urticaria in the wound and its vicinity, local pain or tenderness, and severe pain will quickly spread to the abdomen, thighs, waist and other places within about 5 minutes after being bitten, while abdominal distension and intestinal obstruction may occur. Systemic symptoms also include weakness, blurred vision, nausea and vomiting, symptomatic painful cramps, shortness of breath, fever, convulsions, increased white blood cell count and unique burning sensation in heels. Black widow spider bite poisoning is easy to cause myocardial damage, and myocardial enzymes are increased to varying degrees. In severe cases, blood pressure rises first and then falls, showing a state of toxic shock, and children often have convulsions. ?
How to eliminate this hidden danger 1 Establish a risk assessment mechanism for exotic species. Not all species introduction will lead to the destruction of ecological diversity. Proper introduction and management are of great significance to the development of production. Establish a risk assessment mechanism for exotic species, assess the possible impact of species introduction on life and health, production development and biodiversity, and establish exotic species according to the assessment results? Blacklist? Systematic, strict detection and control of invasive species, once found to have a tendency to destroy the ecology, immediately remove. ?
2 to carry out regular and irregular special actions to crack down on illegal carrying and mailing of prohibited items. We will comprehensively crack down on the illegal carrying and mailing of prohibited articles, improve the quarantine treatment of intercepted articles and the inter-departmental transfer mechanism of intercepted articles, form a joint force of law enforcement, and more effectively protect domestic agricultural production safety, ecological environment safety and people's health. ?
3. Strengthen the entry-exit quarantine work, formulate laws and regulations on the management of alien species, strengthen the management of the introduction of harmful marine species, especially strictly guard against the great threat of the invasion of alien species carried by ballast water. ?