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单词 prepupa
释义

prepupan.

Brit. /priːˈpjuːpə/, U.S. /priˈpjupə/
Inflections: Plural prepupae.
Origin: Formed within English, by derivation. Etymons: pre- prefix, pupa n.
Etymology: < pre- prefix + pupa n. Compare slightly earlier prepupal adj.
Entomology.
An insect in a late stage of 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 pupal stage.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > eggs or young > [noun] > young or development of young > larva > larval stage > prepupa
prepupa1902
1902 Science 21 Feb. 310/2 This [larval tracheal] system is functional in the late larva, prepupa and early pupa, but is destroyed during the pupal stage.
1959 E. F. Linssen Beetles Brit. Isles II. 85 After the third moult..it [sc. a meloid beetle] turns into what is called a pre-pupa.
1975 Nature 17 Apr. 592/2 There is no visible response to background, whether the caterpillars or prepupae are exposed to long or short hours of daylight.
1991 Whole Earth Rev. Summer 93/3 The parasite larva transfers to an ant larva and feeds upon it externally or internally as a prepupa, pupa, or pharate adult.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1902
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