During the winter, many insects spend their time secluded, waiting for warmer days. But when the summer comes, they come alive. There are nine bugs on U.S. that can quickly kill you. Mostly, Australia and Africa host the most dangerous insects in the world. For example, Australian funnel spider with its venom can disintegrate the whole-body tissue of the adult mammal, of the infamous Tsetse fly which kills more than 500,000 people per year. In the U.S., many insects are poisonous, and that can cause you serious health issues.

Arizona Bark Scorpions

As you might have noticed, bark scorpion lives in Southwestern part of Arizona. This is the only scorpion which venom can kill you. Scorpions who will attack you are usually infants and older scorpions. They symptoms you may experience are dry mouths, numbness, and convulsions.

Black Widow Spiders


Black Widow Spiders is one of the deadliest insects in the U.S., and it can be found in warmer parts of America. Female spiders are more dangerous than males. Their venom is 15 times stronger than a bite of a rattlesnake. Considering how powerful their toxin is, the symptoms are pretty mild; you will experience chest pain, swelling, vomiting, and fainting.

Brown Recluse Spiders

This type of spider likes to live in the secluded parts of the house, in the dark sports and it is nocturnal insects, which is active during the night. Its bites are extremely dangerous, and if not treated immediately, they can cause a serious infection and eventually death. If you get bitten by the brown recluse spider, wounds will take weeks to heal.

Puss Caterpillars

People are often mistakes by the cuddly and fluffy appearance of this insect. But the puss caterpillar is the most dangerous caterpillar in the entire America. It is mostly located in the Southeast, and its fuzzy hair is a protection against predators. Its “hair” turns into protective spines, and when stuck into human’s skin, they can cause a severe allergic reaction, which can last up to 12 hours.

Puss CaterpillarsAnopheles Mosquitoes

Mosquitos are one of the most spread insects around the world, and you can find them everywhere. This bug won’t cause you harm, but the myriad disease it carries. Scientists have discovered that female Anopheles can carry malaria and unfortunately many of them are resistant to insecticides. In this case, doctors and scientists have a hard time controlling and containing this disease.

Africanized Bees

In most cases, it ‘s hard to distinguish Africanized bees from solitary bees because they look identical. However, there is one difference, Africanized bees tend to swarm their victims and attach them with stings. According to the scientists, their venom isn’t that dangerous, but if you get attacked by dozens of them, they can cause you serious health problems and in some cases death. When endangered, they will first attack your face and then eyes. If you get stuck in the eye, the venom if cause blindness.

Africanized Bees