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, …

The meaning of INSECT is any of a class (Insecta) of arthropods (such as bugs or bees) with well-defined head, thorax, and abdomen, only three pairs of legs, and typically one or two …

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, …

An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.

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...

Insects are found in every terrestrial environment on Earth, and terrestrial ecosystems everywhere in the world depend upon them. Without insects as pollinators, we would have far fewer …

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. …

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

In this video for Grades 3 to 5, you’ll learn about the features all insects have. You will learn to identify an insect from other arthropods.