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  1. Insect | Definition, Characteristics, Types, Beneficial, Pest ...

    Dec 22, 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, jointed …

  2. Insect - Diversity, Adaptations, Habitats | Britannica

    Dec 22, 2025 · University of California - eScholarship - Insecta: Hemiptera, Heteroptera (PDF) National Center for Biotechnology Information - PubMed Central - Insects and Public Health: An Overview

  3. Classification of insects | Britannica

    insect, Any member of the class Insecta, the largest arthropod class, including nearly 1 million known species (about three-fourths of all animals) and an estimated 5–10 million undescribed species.

  4. Insect - Orders, Morphology, Behavior | Britannica

    Dec 22, 2025 · Insect - Orders, Morphology, Behavior: The class Insecta has about 1,000,000 named species and is divided into the subclasses Apterygota and Pterygota. The homopteran and …

  5. List of insects | Britannica

    Insects (class Insecta) have segmented bodies, jointed legs, and external skeletons.

  6. Insect - Metamorphosis, Adaptation, Morphology | Britannica

    Dec 22, 2025 · The class Insecta is divided into orders on the basis of the structure of the head, including eyes, mouthparts, and antennae; the thorax, including legs and wings; and the abdomen, …

  7. Arthropod | Definition, Meaning, Examples, Characteristics, Classes ...

    Dec 29, 2025 · An arthropod is any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, …

  8. Arthropod - Insects, Crustaceans, Arachnids | Britannica

    Dec 29, 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, jointed …

  9. Insect - Crop Pests, Damage, Control | Britannica

    Dec 22, 2025 · Damage to growing crops in insect in Importance Ask the Chatbot a Question Also known as: Insecta

  10. Coleopteran | Beetle Order, Definition, Characteristics, Diversity ...

    Dec 27, 2025 · Coleoptera, the largest animal order, comprises more than 400,000 species of beetles and weevils. The group represents about 40 percent of the known insect species.