Origin: L. Naias, -adis, nais, -idis, a water nymph, Gr, fr. To flow: cf. F. Naiade. Cf. Naid.
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... winged insects. Another theory (Kukalova-Peck) is that wings arose from gills that are used by aquatic immature insects, such as the mayfly naiad. Once modified as the a precursor to wings, whether from paranotal lobes or from gills, two theories hold on how these turned into functional ...
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