When it comes to spreading illnesses and diseases, even life-threatening ones, insects are nearly the perfect vectors. They are small in size, and many have piercing or chewing mouthparts that can easily inject pathogens into the bloodstream. Hornets, bees, ants, and wasps have stings that deliver venom that can kill or badly injure people who are allergic to them.

This article lists the most dangerous, venomous, and poisonous insects that cause disease and death as opposed to those whose bites or stings cause pain, even mind-boggling pain, but no other side effects. The list also leaves out insects that are not directly harmful to people but can be harmful in other ways, such as locusts that strip fields of crops in a night. Read on to learn about the most venomous insects and the deadliest bugs in the world:

Assassin Caterpillar,Kissing Bug,Tsetse Fly ,Mosquito are the top 4