
Insect - Wikipedia
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 …
Insect | Definition, Characteristics, Types, Beneficial, Pest ...
Nov 23, 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 …
Insect - Definition, Types, List, Life Cycle, Anatomy, & Pictures
Dec 12, 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, …
Insects Pictures & Facts - National Geographic
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: Types, Characteristics, Classification, and Fascinating Facts
Sep 24, 2025 · Insects (Class Insecta) are the most diverse group within the animal kingdom, comprising a vast array of terrestrial and freshwater invertebrate organisms.
What Is An Insect? - Museum of the Earth
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 …
Insects | Kids Environment Kids Health
Most of us are familiar with many of the predatory insects that live in our environment. Well known ones include the Praying Mantis and the Lady Beetle, both of which are important in controlling …
What Are Insects? Basic Insect Anatomy - ThoughtCo
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 …
What Is an Insect? - Encyclopedia.com
The word "insect" is derived from the Latin word insectum, meaning notched, and refers to their body segmentation. The second and third segments of the adult thorax often bear wings, …
Insect Basics - US Forest Service
Six legs, three body parts (HEAD, THORAX, and ABDOMEN), a hard EXOSKELETON, and compound eyes characterize insects. Most insects have a pair of antennae and two pairs of …