paranotumn.
/ˌparəˈnəʊtəm/, U.S. /ˌpɛrəˈnoʊdəm/ Entomology.
A lateral expansion of the dorsal part of a thoracic segment in certain insects. Cf. paranotal adj. Usually in plural.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > dorsal part of or notum > expansion of or paranotum
paranotum1916
1916 G. C. Crampton in Jrnl. N.Y. Entomol. Soc. 24 8 I would refer to these lateral folds as the ‘paranota’, regardless of whether they are entirely tergal in origin, or entirely pleural, or a combination of both.
1964 R. M. Fox & J. W. Fox Introd. Compar. Entomol. iv. 112 Although no insect, living or fossil, is known to have paranota that can be clearly interpreted as precursory to wings, paranota are present in certain living insects.
1994 P. J. Gullan & P. S. Cranston Insects vii. 189/2 A long-standing hypothesis attributes the origin of the wings to postulated lobes, derivations from the thoracic terga called paranota.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1916