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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 …

  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: …

  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 …

  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 …

  5. List of insects | Britannica

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

  6. Insect - Metamorphosis, Adaptation, Morphology | Britannica

    Oct 16, 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 …

  7. Insect - Adaptation, Metamorphosis, Diversity | Britannica

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

  8. Insect - Fossil, Adaptation, Evolution | Britannica

    Dec 22, 2025 · Insect fossil record in insect in Evolution and paleontology Ask the Chatbot a Question Also known as: Insecta

  9. Mosquito | Description, Life Cycle, Importance, Species, Diseases ...

    Dec 13, 2025 · Taxonomy Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Diptera Family: Culicidae Major Genera:

  10. Arthropod - Insects, Crustaceans, Arachnids | Britannica

    Nov 7, 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, …