单词 | pupation |
释义 | pupationn. Entomology. The formation of a pupa; the act of changing into a pupa. Also: the process or stage of the life cycle undergone by an insect while in the form of a pupa. Cf. pupariation n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > young or development of young > pupa or chrysalis > formation of pupa pupation1854 1854 Amer. Farmer's New & Univ. Hand-bk. xiii. 529 After remaining more than two years in the larva state, and casting its skin eight times, the caterpillar becomes of a light ochre-yellow hue shortly before pupation, which usually takes place in spring. 1892 Circular Board Agric. (Raspberry Moth) When the time arrives for pupation, the caterpillar scoops out a hole in the pith of the canes..in which it turns to a chrysalis. 1905 V. L. Kellogg Amer. Insects ii. 45 The larva, just before pupation, has spun a protecting silken cocoon about itself. 1940 G. S. Carter Gen. Zool. Invertebr. ix. 180 The ‘imaginal buds’..grow at pupation and replace many of the organs of the larval body, which are resorbed. 1997 Nature 17 Apr. 660/2 (caption) A brood of the braconid wasp Cotesia glomeratus emerges from the caterpillar of a small white butterfly, Pieris rapae, before undergoing pupation. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1854 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。