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 (head, thorax …
List of insects | Britannica
Insects (class Insecta) have segmented bodies, jointed legs, and external skeletons.
40 Common Types of Insects: Species Identification & Picture
Jul 19, 2025 · From the helpful ladybug to the destructive termite, insects play vital roles in nature, agriculture, and even our homes. This list introduces 40 of the most commonly found insect types …
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 - Definition, Examples, Characteristics
Jan 10, 2026 · Insects are the most diverse and numerous group of animals on Earth, occupying nearly every environment except the deep ocean. These small, six-legged arthropods play essential roles in …
Insects: Types, Characteristics, Classification, and Fascinating Facts
Sep 24, 2025 · What are insects? What are the main types? What are the characteristics of insects? Learn their definition, types of insects, characteristics, habitats, behaviors, facts with images.
Insect - Definition, Types, List, Life Cycle, Anatomy, & Pictures
Dec 30, 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, chitinous …
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 wings. Insects grow …
The Most Important Insects on Earth—and What Happens When …
20 hours ago · Beneficial insects support pollination, pest control, and soil health. Learn which insects matter most and what happens if they disappear.
What Are Insects? Basic Insect Anatomy - ThoughtCo
May 4, 2025 · Insects are the largest group in the animal kingdom. Scientists estimate there are over 1 million insect species on the planet, living in every conceivable environment from volcanoes to glaciers.