Despite not owning a large size, some insect species are extremely poisonous. When being bitten, humans can be transmitted some deadly diseases by these insects.
Army Ant, Scorpion, Mosquito, Tsetse Fly and Japanese Giant Hornet (Asian Hornet) and Black Widow Spider are considered to be the most dangerous insects in the world.
Army ants are the common name of over 200 species of ants in the world living in groups in the large number. This ant species is listed among the most terrifying animals on the planet because of the ability to collectively eat a huge prey in only a few minutes or known for the capability to massacre other species surprisingly. Ants can attack all the animals that encounter them on the way. In fact, they can even eat up to 500,000 prey per day.
More than 1,700 species of scorpion with different colors and sizes have been so far discovered. The body of all the scorpion species contains poison that can cause bad effects on the nervous system. These toxins include the small amount of protein, sodium and sodium cations. Scorpions mainly use their venom to kill or paralyze prey. Fortunately, the venom of the majority of scorpion species is harmless to humans. However, it can cause other reactions such as pain, numbness or swelling. In general, scorpions are quite timid and harmless because they just inject venom when hunting for prey or defending themselves. When facing danger, scorpions often choose to run away or stand still.
It is shown that every year, mosquito kill more people than any other insects or animal on the Earth. There are over 2,500 different species of mosquitoes living all over the world. The most dangerous mosquito is named Anophel. This species can transmit malaria to humans. Some other mosquitoes transmit encephalitis.
In fact, mosquitoes never catch any disease and they only transmit the disease. Mosquitoes are attracted by the smell of perspiration of other species which can be detected in a distance of up to 50 kilometers. In addition, the sweat that contains much carbon dioxide will increasingly draws the attention of mosquitoes. Pregnant women and overweight people take a high risk of being bitten by mosquitoes. Mosquito bites need treating quickly to prevent infection.
Like mosquitoes, Tsetse Fly in Africa is one of the infectious agents. They are mainly found in Africa. Their probosces are used to suck the blood of humans and animals. In African countries, Trypanosomiasis is the major disease that is spread by Tsetse Fly. This disease affects both humans and cattles. It is calculated that there are about three million animals that die of this disease every year.
Tsetse Fly bites make a bad impact on nearly half a million people each year, some of them die from Trypanosomiasis, which is one of the most dangerous diseases in Africa. When being bitten by Tsetse Fly, the victim experience some symptoms such as flu, fatigue, headache and swelling. In some cases, the disease can lead to high fever, stutter and epilepsy.
Japanese Giant Hornet or Asian Hornet
Japanese Giant Hornet is up to 75 mm in length and cause the bites that are more severe than any other insects. The venom injected from the sting of the bee contains eight different chemicals that not only cause serious damage to tissues but also leave an special smell on the body of the victim that attracts many other Japanese Giant Hornet.
Japanese Giant Hornet is not an aggressive species unless it feels under the threat. Every year, more than 40 people die from hornet bites. It is considered to be the most dangerous insect in Japan. In reality, this hornet has killed a large number of people in Japan.
Black widow spider
Black widow spider is one of the most poisonous spiders in the world and can be easily identified by red hourglass on their belly. Black widow spiders can be found in different parts of the world. The most popular species in the United States is Northern Black Widow Spider, Southern Black Widow Spider and Western Widow Spider. All of them are highly toxic.
The name of black widow spider originates from the fact that this species often eats his partner after the reproduction. The average life expectancy of black widow spiders fluctuates between one and three years. In addition to eating male spider, sometimes female spiders use their own cobwebs to capture other insects such as worms, beetles, mosquitoes and flies.
Although poisonous, the bites of black widow spiders rarely lead to the death of humans. However, bites can kill young children, people with heart disease or poor health and the elder.