Endopterygote

Condition of internal wing bud development in an insect; also, an insect secondarily wingless but derived from such an ancestor; associated with holometabolous insects.

Endopterygote

Any insect in which the wings develop inside the body of the early stages and in which there is a complete metamorphosis and pupal stage.
Found on http://www.earthlife.net/insects/glossary.html
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