Definitions for: Hexapoda


[n] insects; about five-sixths of all known animal species



Webster (1913) Definition: Hex*ap"o*da, n. pl. [NL., fr. Gr. "e`x six + -poda.]
(Zo["o]l.)
The true, or six-legged, insects; insects other than
myriapods and arachnids.

Note: The Hexapoda have the head, thorax, and abdomen
differentiated, and are mostly winged. They have three
pairs of mouth organs, viz., mandibles, maxill[ae], and
the second maxill[ae] or labial palpi; three pairs of
thoracic legs; and abdominal legs, which are present
only in some of the lowest forms, and in the larval
state of some of the higher ones. Many (the Metabola)
undergo a complete metamorphosis, having larv[ae]
(known as maggots, grubs, caterpillars) very unlike the
adult, and pass through a quiescent pupa state in which
no food is taken; others (the Hemimetabola) have
larv[ae] much like the adult, expert in lacking wings,
and an active pupa, in which rudimentary wings appear.
See Insecta. The Hexapoda are divided into several
orders.

Synonyms: class Hexapoda, class Insecta, Insecta

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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