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Pupa

pupa

Origin: L. Pupa girl. Doll, puppet, fem. Of pupus. Cf. Puppet.

1. (Science: zoology) Any insect in that stage of its metamorphosis which usually immediately precedes the adult, or imago, stage.

Among insects belonging to the higher orders, as the hymenoptera, diptera, lepidoptera, the pupa is inactive and takes no food; in the lower orders it is active and takes food, and differs little from the imago except in the rudimentary state of the sexual organs, and of the wings in those that have wings when adult. The term pupa is sometimes applied to other invertebrates in analogous stages of development.

2. (Science: zoology) A genus of air-breathing land snails having an elongated spiral shell. Coarctate, or obtected, pupa, a pupa which is incased in the dried-up skin of the larva, as in many diptera. Masked pupa, a pupa whose limbs are bound down and partly concealed by a chitinous covering, as in lepidoptera.


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Complete metamorphosis of lepidoptera?

Hey, i am currently working on a very specific project about the metamorphosis of lepidoptera in the pupa stage. I want to make a short animated movie clip which explains the pupa stage of the metamorphisis - especially the changes of the internal organs. My problem is that ...

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by jolinar
Fri Aug 17, 2012 6:40 pm
 
Forum: Zoology Discussion
Topic: Complete metamorphosis of lepidoptera?
Replies: 1
Views: 1904

How to Sieve a fly pupa from the sawdust

... I do is breed a fly maggots with a bran.(i give them the barn as a food). After they are fat Enough I pot them in a sawdust till they become a pupa . So I got a problem with Sieve (i hope this is the correct word) the fly pupa from the sawdust and the bran. When I do it with a normal Sieve ...

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by bioptic
Sun Oct 09, 2011 4:35 pm
 
Forum: General Discussion
Topic: How to Sieve a fly pupa from the sawdust
Replies: 0
Views: 1225

Butterfly

... on all stages, but since they fill different niches, their specialties will make them more and more specialized. You look today at the caterpillar-pupa-butterfly sequence, and it seems impossibly complex, but you just need a hint of it at the beginning you get you there. It's all hypothetical, ...

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by sachin
Sat Jan 13, 2007 6:31 am
 
Forum: Evolution
Topic: Butterfly
Replies: 23
Views: 13190

Butterfly

... on all stages, but since they fill different niches, their specialties will make them more and more specialized. You look today at the caterpillar-pupa-butterfly sequence, and it seems impossibly complex, but you just need a hint of it at the beginning you get you there. It's all hypothetical, ...

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by Darby
Fri Jan 12, 2007 7:46 pm
 
Forum: Evolution
Topic: Butterfly
Replies: 23
Views: 13190

The Fiber Disease

... these are laid on the underside of leaves. A generation lasts between two and three weeks and there are four juvenile stages (three nymphs and a pupa from which the adult emerges). Only the first instar is mobile but it moves only a short distance from its egg. Therefore, older instars tend to ...

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by London
Thu Nov 16, 2006 11:59 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5426246
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