Les Do Reacts to 10 Most Dangerous Bugs in the World. many love to see dangerous, bugs and these insects are found around the world. many of these bugs are deadly and venomous. These dangerous bugs are not only dangerous but also poisonous as well. You will be amazed how hornet, bee, ants, ant, worst, worst bugs, endure so much pain. Most dangerous bugs in America. Deadliest animal in the world, Deadliest insect sting Les do reacts video.