Insecta

Insecta
class of organisms that are small air-breathing arthropods. This class contains organisms that in the adult normally have six legs, three distinct regions to the body (head, thorax, and abdomen), one pair of antennae, ...
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The Class Insecta
Insects are the largest group, with probably over one million identified and named species (and undoubtedly a greater number as yet unknown to us).
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Insects are invertebrates and are taxonomically referred to as the class Insecta. They are the most numerous and most widelyspread terrestrial taxon within the phylum Arthropoda.
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In Linnaeus' original scheme, the animals were one of three kingdoms, divided into the classes of Vermes, Insecta, Pisces, Amphibia, Aves, and Mammalia.
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[Gr. cysto - a sac or bladder]. Found in the testicular lobes of grasshoppers (Insecta, Orthoptera), a membrane bound structure containing a group of germ cells that are all at the same stage of spermatogenesis.
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Class: A category of the classification scheme of living organisms ranking below a phylum and above an order (e.g., Insecta).
Classical biological control: The importation of foreign natural enemies to control previously introduced, or native, pests.
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mandibles Third pair of appendages from the anterior in Crustacea; second pair in Insecta; primarily function in feeding; derived from appendages on primitive fourth (first postoral) somite.
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