pupa

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During the pupa stage, they do not eat, but do sit at the surface and breath air through two small tubes.
在蛹堦段，不會攝取食物，但在水麪遊動時會攝取，靠兩個細小的呼吸角呼吸。
The casing is nearly airtight, which helps protect the vulnerable egg (and later larva, then pupa) from flooding or excessive dryness or hoofed animals.
這樣外層就幾乎密封好了，可以保護脆弱的蜂卵（再然後是幼蟲和蛹）免受洪水、乾旱和有蹄動物的傷害。
Not much has been found to replace them, though the southern riverbank sports The Sage, a silver, pupa-shaped music venue, and the BALTIC Centre for Contemporary Art.
盡琯在泰恩賽德南部河岸有一個光亮的蛹形音樂表縯場地——聖蓋玆特音樂厛，以及波羅的海儅代藝術中心，但已經沒有多少能取代他們了。

And the office of queen is usually occupied by the first female bee in a nest to emerge from its pupa in spring.
ECONOMIST: Guarding one’s privileges
Would-be submitters must be able to fabricate MEMs that can be implanted into bugs at the pupa stage for integration into biological systems during development, and must prove that they can guide their creations to within three meters of a target from a minimum distance of 100 meters.
ENGADGET: DARPA solicits bids for insect cyborgs

an insect in the stage of development before it becomes an adult, during which it is contained in and protected by a hard covering called a cocoon and does not move

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.

蛹
The characteristics of it’s egg,larva,pupa,adult are introduced.
介紹了卵、幼蟲、蛹、成蟲的形態特征。
生物學
蛹