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, …

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...

There are over 1 million identified species of insects and spiders in the world with many more still awaiting discovery. Insects provide a vastly overlooked - and often times misunderstood - …

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. …

4 days ago · Insects are like the unsung heroes of the animal kingdom. They pollinate plants, break down organic matter, and serve as a vital food source for other animals. But despite …

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

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 …