- an insect in the nonfeeding, usually immobile, transformation stage between the larva and the imago.
Origin of pupa
Examples from the Web for pupal
Galeotheca: that part of the pupal case that covers the gales.Explanation of Terms Used in Entomology
John. B. Smith
From the fruit this insect goes to the ground where the pupal stage is passed in the soil.Apple Growing
M. C. Burritt
Watch the miller escape from the pupal case and describe it.An Elementary Study of Insects
They resume their feeding in April, and change to the pupal state about the end of May.Butterflies and Moths
William S. Furneaux
The moth passes the winter in the pupal state on leaves underneath the vine, emerging about the time grapes are blossoming.Manual of American Grape-Growing
U. P. Hedrick
Word Origin and History for pupal
"post-larval stage of an insect," 1773, special use by Linnæus (1758) of Latin pupa "girl, doll, puppet" (see pupil (n.1)) on notion of "undeveloped creature." Related: Pupal; pupiform.
- An insect in the nonfeeding stage of development between the larva and adult, during which it typically undergoes a complete transformation within a protective cocoon or hardened case. Only certain kinds of insects, such as moths, butterflies, ants, and beetles, develop as larvae and pupae. Compare imago larva nymph.