Paleoptera

Paleoptera

[‚pāl·ē′äp·tə·rə]
(invertebrate zoology)
A section of the insect subclass Pterygota including primitive forms that are unable to flex their wings over the abdomen when at rest.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Novel insect defensin mediates the inducible antibacterial activity in larvae of the dragonfly Aeschna cyanea (Paleoptera, Odonata).