Insects had dominated the Earth long before dinosaurs appeared. So, it should surprise us that there are between 1.4 and 1.8 of different species among them. They have developed amazing abilities and adapted to various living conditions. In this article, we are going to present you some of the largest specimens and make you familiar with them, if you ever encounter them in nature.


The largest insects that ever lived on this planet are dragonfly and Protodonata is from their order. These insects have an extensive range of wings that reach up to 2.5 feet, they also have huge mandibles, which makes them vicious predators. Fortunately, they were extinct a long time ago, at the end of the Paleozoic Era. Even though today’s insects can’t grow that big; there are still some of the remarkable specimens what will make you run up the hills.

Titan beetle

Titan beetleThe Amazon rain forest is a home to many extraordinary creatures, but it’s also the place where you can find the largest insects in the world. But, none of them compares to the size of Titan beetle. This bug is the biggest insect in Amazon and one of the greatest in the world. The size of their body can grow up to 6.6 inches. This gigantic insect has mandibles that are strong enough to cut the pencil in half, and they can easily rip the human flesh. This fact might surprise you, but Titan beetle is a tourist attraction in South America, and many people aim to see it.

Giant stick insects

Giant wetaThe biggest bugs regarding length are stick insects. They have developed a strange shape which helps them hide from predators among the branches. Stich insects are nocturnal creatures, staying still during the day and moving during the night. The longest variety of this insects originates from Asia, and its size is 2 feet in length. When endangered they will emit a hissing sound, and some of them may attack you. Among all bugs, they are mostly harmless, and many of them keep them as pets.

Giant weta

This type of insect is an endemic species in New Zealand, they have enormous size, and Giant wetas are connected to crickets. The biggest specimens can weight up to 2.5 ounces; this makes them one of the heaviest insects in the world. Considering their body weight, they are too heavy to fly, but they can grow long, up to 4 inches, including legs and antennas. The name of this insect comes from the Maori world, which has a specific meaning, “the god of ugly things.”

Goliath beetle

Considering their construction, Goliath beetles are among the largest on the Earth. They live in Africa males can reach the size of 4 inches, and they can weight 3.5 ounces. In the morning when it’s cold, they don’t move too much, and they stay in a lethargic stage. But, once the sun warms their surface, they become active. When frightened they will fly.