Download Images Library Photos and Pictures. Bugs, also known as insects, can often be seen as an annoyance to humans, but they play a huge part in our world and 90% of all living things are insects, so they're very important. Insects are arthropods and there are over 1 million species, representing over 90% of all living things on the earth. They may be found in nearly all environments on the planet. Insects are divided into 32 groups and the largest group is the beetle. 1 out of every 4 insects is a beetle. Insects have three body parts. Owlfly Butterflies are beautiful, flying insects with large scaly wings. Like all insects, they have six jointed legs, 3 body parts, a pair of antennae, compound eyes, and an exoskeleton. The three body parts are the head, thorax (the chest), and abdomen (the tail end). The butterfly's body is covered by tiny sensory hairs. The four wings and the six legs of the butterfly are attached to the thorax. The thorax contains the muscles that make
