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Pupa   Listen
noun
Pupa  n.  (pl. L. pupae, E. pupas)  
1.
(Zool.) Any insect in that stage of its metamorphosis which usually immediately precedes the adult, or imago, stage. Note: 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.
(Zool.) A genus of air-breathing land snails having an elongated spiral shell.
Coarctate pupa, 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.






Collaborative International Dictionary of English 0.48








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"Pupa" Quotes from Famous Books



... jelly makes her grow fast, and in five days she is so large as to nearly fill the cell. Then she stops eating, spins a cocoon, and lies in it for about two and a half days more. When she comes out of this, she is called a Pupa. Sixteen days after the laying of the egg, the young Queen is ready to come out of her cell. It takes twenty-one days for a Worker to become fully grown and twenty-five ...
— Among the Farmyard People • Clara Dillingham Pierson

... perforates the circular trap-door. However far withdrawn into the centre of the pea, the Bruchus, whether larvae or nymph, is reached by the long oviduct. It receives an egg in its tender flesh, and the thing is done. Without possibility of defence, since it is by now a somnolent grub or a helpless pupa, the embryo weevil is eaten until nothing but skin remains. What a pity that we cannot at will assist the multiplication of this eager exterminator! Alas! our assistants have got us in a vicious circle, for if we wished to obtain the help of any great number of Chalcidians ...
— A Book of Exposition • Homer Heath Nugent

... went out of sight, leaving a hole just his own size behind him, such a hole as I might have made by pressure with a round stick. A week later I dug them up. They had gone down five or six inches, turned head upward, and there they were, each a conical brown pupa that bore little resemblance to the naked green caterpillars that had gone down into the earth a week before. Barring the accident of my spade, which neither could foresee, they were safe from cold and enemies. The ground would freeze ...
— Old Plymouth Trails • Winthrop Packard

... instincts have been developed for the sake of the species, and usually against the interests of the individual. An ant which will allow her head to be slowly drawn from her body rather than relinquish her hold upon a pupa, is clearly acting in response to an instinct which has been developed for the benefit of the hive, though fatal to the individual. And, in a lesser degree, the parental instincts, wherever they occur, are more or less detrimental ...
— Darwin, and After Darwin (Vol. 1 and 3, of 3) • George John Romanes

... species which are absolutely unaffected by change of food and cases where "difference of food is accompanied by marked and constant differences, either colorational, or structural, or both, in the larva, pupa and imago states."), most of which was new to me. I have since received your paper on willow-galls; this has been very opportune, as I wanted to learn a little about galls. There was much in this paper which ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin

... hatched from eggs, and come first, as a worm, grub, or caterpillar; next as a chrysalis pupa or bundle-baby; last as the winged creature. That is, first a Beast and last a Beauty. Each of them must at one time be the ugly one, before the great change comes. But I must tell you a truth that the Fairy Books left out, and which maybe you have guessed—Princess Beauty ...
— Woodland Tales • Ernest Seton-Thompson

... and among them the precious egg, or eggs, which is to feed on them when hatched. If we open the uppermost chamber, we shall find every vestige of the spiders gone, and the cavity filled (and, strange to say, exactly filled) by a brown- coated wasp-pupa, enveloped in a fine silken shroud. In the chamber below, perhaps, we shall find the grub full-grown, and finishing his last spicier; and so on, down six or eight storeys, till the lowest holds nothing but spiders, packed close, but not yet sealed up. These spiders, be it remembered, are ...
— At Last • Charles Kingsley

... with orange along the sides, and which forms a loop in walking. It feeds upon the leaves, devouring all but the petiole, and often entirely defoliating both gooseberry and currant bushes. It changes into a pupa in May or June, and in about three weeks afterward, the perfect insect makes its appearance." Very naturally, this currant worm made its debut near Rochester, N. Y., a great fruit centre, receiving annually ...
— Success With Small Fruits • E. P. Roe

... should expect there would be far less differences in the very young and foetal state: and this, I think, throws light on above marvellous fact. In larvae, which have long life selection, perhaps, does much,—in the pupa not so much{164} There is no object gained in varying form &c. of foetus (beyond certain adaptations to mother's womb) and therefore selection will not further act on it, than in giving to its changing tissues a tendency to certain parts ...
— The Foundations of the Origin of Species - Two Essays written in 1842 and 1844 • Charles Darwin

... as they increase in size, until they are nearly or quite full grown. They then enter the wood and continue their excavations deep into the sapwood or heartwood until they attain their normal size. They then excavate pupa cells in which to transform into adults, which emerge from the wood through exit holes in the surface. This class of borers is represented by a large number of species. The adults, however, are seldom seen by ...
— Seasoning of Wood • Joseph B. Wagner



Words linked to "Pupa" :   insect, chrysalis



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