Larva | Pupa |
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This is the second stage in the life cycle of insects. | This is the third stage of development. |
Larva is motile and active. | Pupa is sessile and sedentary. |
Larva serves to feed and maintain nutritional reserves for later use. | During Pupal stage, many adult structures start forming like wings and reproductive organs to give rise to a sexually mature adult. |
They are not enclosed. | They are usually enclosed in structures called Cocoons. |