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Definitions for: Insecta
[n] insects; about five-sixths of all known animal species
Webster (1913) Definition: In*sec"ta, n. pl. [NL. See Insect.]
1. (Zo["o]l.) One of the classes of Arthropoda, including
those that have one pair of antenn[ae], three pairs of
mouth organs, and breathe air by means of trache[ae],
opening by spiracles along the sides of the body. In this
sense it includes the Hexapoda, or six-legged insects and
the Myriapoda, with numerous legs. See Insect, n.
2. (Zo["o]l.) In a more restricted sense, the Hexapoda alone.
See Hexapoda.
3. (Zo["o]l.) In the most general sense, the Hexapoda,
Myriapoda, and Arachnoidea, combined.
Note: The typical Insecta, or hexapod insects, are divided
into several orders, viz.: Hymenoptera, as the bees
and ants; Diptera, as the common flies and gnats;
Aphaniptera, or fleas; Lepidoptera, or moths and
butterflies; Neuroptera, as the ant-lions and
hellgamite; Coleoptera, or beetles; Hemiptera, as
bugs, lice, aphids; Orthoptera, as grasshoppers and
cockroaches; Pseudoneuroptera, as the dragon flies
and termites; Euplexoptera, or earwings; Thysanura,
as the springtails, podura, and lepisma. See these
words in the Vocabulary.
Synonyms: class Hexapoda, class Insecta, Hexapoda
See Also: Anoplura, Arthropoda, class, Coleoptera, Collembola, Corrodentia, Dermaptera, Dictyoptera, Diptera, Embiodea, Embioptera, Ephemerida, Ephemeroptera, Exopterygota, Hemimetabola, Hemiptera, Hymenoptera, Isoptera, Lepidoptera, Mallophaga, Mecoptera, Neuroptera, Odonata, order Anoplura, order Coleoptera, order Collembola, order Corrodentia, order Dermaptera, order Dictyoptera, order Diptera, order Embiodea, order Embioptera, order Ephemerida, order Ephemeroptera, order Hemiptera, order Hymenoptera, order Isoptera, order Lepidoptera, order Mallophaga, order Mecoptera, order Neuroptera, order Odonata, order Orthoptera, order Phasmatodea, order Phasmida, order Plecoptera, order Protura, order Psocoptera, order Siphonaptera, order Thysanoptera, order Thysanura, order Trichoptera, Orthoptera, Phasmatodea, Phasmida, phylum Arthropoda, Plecoptera, Protura, Psocoptera, Siphonaptera, subclass Exopterygota, Thysanoptera, Thysanura, Trichoptera
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