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étymologie

Qu'est-ce (qui) est pupa - définition

LIFE STAGE OF SOME INSECTS UNDERGOING TRANSFORMATION

Chrysalis; Cocoon (silk); Pupae; Chrysalides; Pupation; Silkworm cocoons; Puparium; Pupate; Chrysalid; Eclosion; Exarate; Pharate; Arthropod metamorphosis; Coarctate; Coarctate larva; Cocoon (biology); Silk cocoon; Pupas; Pupal; Pupal transformation; Pupal chambers; Insect emergence

pupa

n.

Chrysalis, aurelia.

pupa

['pju:p?]

¦ noun (plural pupae -pi:) an insect in its inactive immature form between larva and adult, e.g. a chrysalis.

Derivatives

pupal adjective

Origin

C18: mod. L., from L. pupa 'girl, doll'.

pupa

(pupae)

A pupa is an insect that is in the stage of development between a larva and a fully grown adult. It has a protective covering and does not move. (TECHNICAL)

The pupae remain dormant in the soil until they emerge as adult moths in the winter.

N-COUNT

Wikipédia

Pupa

A pupa (Latin: pupa, "doll"; plural: pupae) is the life stage of some insects undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in their life cycle, the stages thereof being egg, larva, pupa, and imago. The processes of entering and completing the pupal stage are controlled by the insect's hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging from the pupal case is called eclosion or emergence.

The pupae of different groups of insects have different names such as chrysalis for the pupae of butterflies and tumbler for those of the mosquito family. Pupae may further be enclosed in other structures such as cocoons, nests, or shells.

https://en.wikipedia.org/wiki/Pupa

Exemples du corpus de texte pour pupa

1. The idea is to insert micro–systems at the pupa stage, when the insects can integrate them into their body, so they can be remotely controlled later.

2. It has asked for "innovative" bids on the insect project from interested parties. ‘Assembly–line‘ Darpa believes scientists can take advantage of the evolution of insects, such as dragonflies and moths, in the pupa stage.

3. It is bread still halfway on the journey to full toast status, and being served this limp lukewarm loaf is a bit like being shown a pupa and being asked to admire a butterfly.

4. In another moment, during the interview, she said: ‘I have asked myself over and over why, of all the millions of people, it had to happen to me.‘ Imprisoned by Priklopil, it seems, she transformed her ‘why me?‘ questions into answers that said – ‘Because you‘re special.‘ It would have hardly been surprising if Natascha spent her time fantasizing about what she would become when she finally emerged from her prison like a butterfly from a pupa.