单词 | postscutellum |
释义 | postscutellumn. Entomology. In certain orders of insect: a dorsal sclerite posterior to the scutellum of the mesothorax or the metathorax. Also (in wider sense): = postnotum n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > scutellum > postscuttelum postscutellum1826 postscutel1864 postnotum1926 1826 W. Kirby & W. Spence Introd. Entomol. III. xxxiii. 380 Postscutellum,..a narrow channel running from the Dorsolum to the Abdomen in Coleoptera, forming an isosceles triangle reversed. 1868 A. S. Packard Guide to Study of Insects 12 The little piece succeeding the scutellum, i.e. the postscutellum, is still smaller, and rarely used in descriptive entomology. 1897 W. F. Kirby in M. Kingsley W. Afr. 727 Postscutellum black, with a yellow dot on each side. 1899 G. H. Carpenter Insects i. 21 Four distinct parts placed one behind the other can sometimes be observed; they are known as the præscutum, scutum, scutellum, and 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. 1981 Proc. National Acad. Sci. U.S.A. 78 3940/2 A tungsten wire..was threaded between the fly's thorax and the wax, then bowed up from the wax so it contacted the dorsal thorax in the notch between the scutellum and the postscutellum. 1988 I. Gauld & B. Boltoin Hymenoptera (1996) v. 66 This raised portion [of the metanotum, the dorsellum] has been called the ‘postscutellum’, but it is not homologous with the symphytan postscutellum which is an analogous area on the mesopostnotum. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < |
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