PUPA Meaning and
Definition
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A pupa is the development stage that follows the larval stage in the life cycle of certain insects, specifically those that undergo complete metamorphosis. During this stage, the insect undergoes a profound transformation and transitions into its adult form. The pupa is characterized by its distinct appearance, commonly resembling a motionless, capsule-like structure or cocoon, which can vary in shape and texture depending on the species.
Inside the pupa, the insect undergoes a series of remarkable biological changes, known as the pupal metamorphosis. This complex process involves the breakdown and reorganization of the larval body tissues, accompanied by the formation of adult structures and organs. Through this transformative period, the insect's wings, legs, antennae, and reproductive organs develop fully, preparing it for its adult life.
The pupa is generally immobile and is primarily devoted to internal development rather than external activities, such as feeding or locomotion. However, certain pupae may exhibit limited movements or protective behaviors in response to external stimuli, aimed at avoiding potential threats.
The duration of the pupal stage varies greatly among different insect species, and it can range from a few days to several months, depending on environmental conditions and species-specific biological factors. Once the transformation is complete, the pupa transitions into the adult stage, emerging as a fully formed insect ready for reproduction and other adult responsibilities.
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A stage in the development of an insect between the larva and the imago; when quiescent, as in the moth, the pupa is sometimes called chrysalis; when active, as in the mosquito, it is called nymph.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The third or last state but one of insect existence-the first being the egg, the second the caterpillar, the third the pupa, and the fourth or last the perfect insect or imago; a genus of small fossil land snails.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of PUPA
The word "pupa" comes from Latin, specifically from the Latin word "pūpa", which means "doll" or "girl". This Latin word referred to a child's doll made of wax or wood. The term was later adopted in zoology to describe the non-feeding stage of development in insects undergoing complete metamorphosis, such as butterflies and beetles. In this stage, the insect's body undergoes significant internal changes, culminating in its transformation into an adult. The term "pupa" was likely chosen due to the immobility and doll-like appearance of these developing insects in this stage, resembling a wax or wooden doll.
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