postnotumn.

Brit.

/ˌpəʊstˈnəʊtəm/, U.S.

/ˌpoʊstˈnoʊdəm/

Inflections: Plural postnota.

Origin: Formed within English, by derivation. Etymons: post- prefix, notum n.

Etymology: < post- prefix + notum n., after mesonotum n. and pronotum n. Compare earlier postscutellum n.

Entomology.

The posterior part of the notum (dorsal skeleton) of a thoracic segment, when present as a distinct sclerotized region (usually regarded as intersegmental in origin). Cf. postscutellum n.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > scutellum > postscuttelum

postscutellum1826

postscutel1864

postnotum1926

1926 R. J. Tillyard Insects Austral. & N.Z. i. 18 In some cases..a short posterior sclerite is also developed, called the postnotum or postscutellum.

1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 13 In the wing-bearing segment of most insects a postnotum or postscutellum is developed as a sclerotization of the intersegmental membrane.

1964 R. M. Fox & J. W. Fox Introd. Compar. Entomol. ii. 52 The notum continues forward to cover the posterior part of the next segment where it is termed the postnotum.

1994 P. J. Gullan & P. S. Cranston Insects ii. 40/2 The pterothoracic nota each have two main divisions: the anterior wing-bearing alinotum and the posterior phragma-bearing postnotum.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	postnotum
释义	postnotumn. Brit. /ˌpəʊstˈnəʊtəm/, U.S. /ˌpoʊstˈnoʊdəm/ Inflections: Plural postnota. Origin: Formed within English, by derivation. Etymons: post- prefix, notum n. Etymology: < post- prefix + notum n., after mesonotum n. and pronotum n. Compare earlier postscutellum n. Entomology. The posterior part of the notum (dorsal skeleton) of a thoracic segment, when present as a distinct sclerotized region (usually regarded as intersegmental in origin). Cf. postscutellum n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > scutellum > postscuttelum postscutellum1826 postscutel1864 postnotum1926 1926 R. J. Tillyard Insects Austral. & N.Z. i. 18 In some cases..a short posterior sclerite is also developed, called the postnotum or postscutellum. 1947 A. D. Imms Outl. Entomol. (ed. 3) ii. 13 In the wing-bearing segment of most insects a postnotum or postscutellum is developed as a sclerotization of the intersegmental membrane. 1964 R. M. Fox & J. W. Fox Introd. Compar. Entomol. ii. 52 The notum continues forward to cover the posterior part of the next segment where it is termed the postnotum. 1994 P. J. Gullan & P. S. Cranston Insects ii. 40/2 The pterothoracic nota each have two main divisions: the anterior wing-bearing alinotum and the posterior phragma-bearing postnotum. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1926
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