Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body …

Oct 16, 2025 · insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, …

Insect and Spider Identification - Information and Pictures of North American Insects, Spiders, and Bugs.

To be sure an insect is an insect, we have to look at a combination of features. B, the Malaysian stick insect, has three body parts, six legs, wings, and a pair of antennae. Nice observation …

Sep 4, 2025 · Insects are six-legged invertebrates that are members of the class Insecta within the phylum Arthropoda. They are distinguished by their three-part bodies covered by a hard, …

All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton, one...

Apr 21, 2025 · What exactly is an insect? To begin, insects don't have a vertebral column (backbone) like people have and therefore are considered to be a type of invertebrate animal. …

More than half of all the animal species described by science are insects, and it is estimated that there are more than five million extant species. That’s a lot of beetles, butterflies, moths, ants, …

May 4, 2025 · As you may remember from elementary school, the most basic definition of an insect is an organism with three pairs of legs and three body regions: head, thorax, and …

Oct 20, 2025 · entomology, branch of zoology dealing with the scientific study of insects. The Greek word entomon, meaning “notched,” refers to the segmented body plan of the insect. …