Although there are countless species on the earth, these organisms are distributed all over the world, some species are endemic to some regions, and do not exist in other regions, and some species are relatively widely distributed. When some species appear in places where they did not exist before, the species may become invasive.
Invasive species may face the following consequences, the first of which is to live in harmony with other native organisms, live in peace, and survive well; The second case is that the invasive species are not capable enough to survive in the new habitat and are eliminated; The third scenario is that invasive species are too strong and pose a serious threat to indigenous ecosystems. At this time, humans may have to deal with it.
Speaking of invasive species, I believe many friends know that the Burmese python in the United States, which is a large snake that mainly lives in Southeast Asia, when they arrive in the United States and other regions, they breed rapidly and finally flood. So the United States began to hunt these Burmese pythons, in Florida, the United States captured a 5.5 meters long, weighing 200 pounds of Burmese python, which is the largest Burmese python ever captured in Florida, requiring 3 people to carry away.
Because we can't predict what kind of challenges these invasive species will pose to ecosystems in these places when they reach a new habitat, and because some invasive species may be somewhat toxic, these seedlings are generally treated when they are found. No, at customs, some live poisonous spiders from abroad were intercepted, Black Widow, and if bitten by these poisonous spiders, they may be fatal, how poisonous are these poisonous spiders?
Customs intercepts the black widow, a live poisonous spider
When Putian Customs inspected the imported container logs, it intercepted a live spider and 4 messy sacs. After identification, it was confirmed that this spider was the inter-spotted spider commonly known as the Black Widow.
There may be some friends who think that spiders are a very common small insect, and found a spider in the logs of imported containers, is it really that serious? If it is an ordinary small insect, it is not a big problem, the key is that the intercepted inter-spotted spider is one of the 10 most venomous spiders in the world, and its venom is 15 times that of the rattlesnake snake. If we look at it this way, we probably know that this spider is highly poisonous. Due to the extremely strong toxicity of the inter-spotted spider, every year there will be people and animals bitten to death by the inter-spotted spider, so when this inter-spotted spider is found, it must be paid attention to.
This time the discovery is not only the live spider, but also 4 egg sacs, each egg sac will have 400-900 eggs, 4 egg sacs may have thousands of eggs, if these eggs can be successfully hatched, it is still more serious, then it may not be so easy to find them. Now that they have been found at customs and intercepted, they have cut off the way for these inter-spotted spiders to enter our territory from the source.
The reason why this kind of spider is called "Black Widow" is that it is rumored that after they complete mating, the female inter-spotted spider will eat the male inter-spotted spider, so it is called "Black Widow". However, in the study, the researchers put the male and female spotted spiders in a container, but there was no case of the female inter-spotted spider hunting the male inter-spotted spider, after the completion of mating, the male inter-spotted spider will quickly leave, and the female inter-spotted spider will not take the initiative to "hunt down" the male inter-spotted spider.
Although female inter-spotted spiders have not been found to actively "hunt down" male inter-spotted spiders, this does not change the fact that their venom is poisonous. The venom of the spider contains a protein neurotoxin, these toxins will act on the vertebrate synapses, if they bite, our body will have a large number of neurotransmitter releases, the wound will be pale, red, or urticaria, there will be fatigue, nausea, vomiting and a series of symptoms, severe even shock, breathing difficulties and other problems, may be due to respiratory failure or heart failure and death. So, if we encounter these poisonous spiders, don't tease them.