Hansenius major is a large insect belonging to the order Coleoptera. It is commonly known as the giant beetle due to its impressive size, reaching up to 10 centimeters in length. This insect has a dark brown exoskeleton with distinct ridges and a pair of long, curved mandibles. Hansenius major is primarily found in tropical rainforests, where it feeds on decaying organic matter and plays a crucial role in nutrient recycling.