| 释义 |
prepupa Ent.|priːˈpjuːpə|
[pre- B. 1.]
An insect late in its larval development, during a relatively quiescent phase in which preparations for the transformation into a pupa take place; also, in certain beetles, a distinct instar preceding the pupa stage.
1925A. D. Imms Gen. Textbk. Entomol. 186 The prepupa represents a greatly abbreviated instar. 1955P. A. Buxton Nat. Hist. Tsetse Flies xi. 380 Generally speaking one measures the duration of life of the puparium in an inclusive way, from the time when the larva becomes immobile, through the life of prepupa and pupa, to the emergence of the adult. 1959E. F. Linssen Beetles Brit. Isles II. 85 After the third moult..it [sc. a meloid beetle] turns into what is called a pre-pupa. 1975Nature 17 Apr. 592/2 In such specimens..there is no visible response to background, whether the caterpillars or prepupae are exposed to long or short hours of daylight. |