The pupal stage.    From Wordnet, Princeton University. 

Cirripedes passing through what I have called a pupal state (244/5.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 1] Reference

Cephalotheca: the head covering in the pupal stage.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

The pupal state thus seems to be of short duration.    From Wordnik.com.  [Scientific American Supplement, No. 363, December 16, 1882] Reference

Mesothoracotheca: the pupal covering of the meso-thorax.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

This insect hibernates in the pupal stage in the ground.    From Wordnik.com.  [Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952] Reference

They mature inside pupal cases and emerge as adult flies.    From Wordnik.com.  [First Look at Nanotubes Inside Living Animals | Impact Lab] Reference

I will open some more; here is one in its pupal condition.    From Wordnik.com.  [Country Walks of a Naturalist with His Children] Reference

The pupal stage lasts from two to five or six days or more.    From Wordnik.com.  [Insects and Diseases A Popular Account of the Way in Which Insects may Spread or Cause some of our Common Diseases] Reference

Watch the miller escape from the pupal case and describe it.    From Wordnik.com.  [An Elementary Study of Insects] Reference

Galeotheca: that part of the pupal case that covers the gales.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Overall mortality of the pupal stage was also similar across cropping systems.    From Wordnik.com.  [1. Designing integrated pest management for sustainable and productive futures.] Reference

The pupal stage lasts two to six days for a total life cycle of just 15-20 days.    From Wordnik.com.  [Chapter 10] Reference

The larvae subsequently develop into larval/pupal and pupal/adult intermediates.    From Wordnik.com.  [Chapter 7] Reference

Ceratheca or Ceratotheca: that portion of the pupal shell that envelops the antenna.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Metatergum: = metanotum; q.v. Metathoracotheca: the pupal covering of the meta-thorax.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Most pupal stages are 2 to 3 weeks in length, though some species overwinter as pupae.    From Wordnik.com.  [Insecta (Aquatic)] Reference

The pupal form of a rescue harness followed, and she secured it to one of the handrails.    From Wordnik.com.  [Asimov's Science Fiction]

High pupal mortality, retards growth, inhibits feeding, disrupts molting, toxic to larvae.    From Wordnik.com.  [5 Effects on Insects] Reference

From the fruit this insect goes to the ground where the pupal stage is passed in the soil.    From Wordnik.com.  [Apple Growing] Reference

The components of the system were implanted in the beetles when they were at the pupal stage.    From Wordnik.com.  [Cyborg beetles] Reference

Larvae of O. mercator and O. surinamensis treated with 1-20 ppm died as pupal-adult intermediates.    From Wordnik.com.  [Chapter 7] Reference

The larval stage consists of three phases, continues for five days and passes into the pupal stage.    From Wordnik.com.  [From Egg to Adult Fly] Reference

At 0.5 ppm, oviposition was inhibited, and pupal-adult intermediates and malformed adults were produced.    From Wordnik.com.  [Chapter 7] Reference

The mere breaking of the pupal cell, leaving the earth in contact with the body of the pupa, is fatal to many.    From Wordnik.com.  [Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916] Reference

Chlorfluazuron affected both larval and pupal stages and produced a high percentage of pupal-adult intermediates.    From Wordnik.com.  [Chapter 7] Reference

When the adult is ready to issue the pupal skin splits along the back and the mosquito gradually and slowly issues.    From Wordnik.com.  [Insects and Diseases A Popular Account of the Way in Which Insects may Spread or Cause some of our Common Diseases] Reference

Their application leads to the development of intermediate forms in the larval or pupal stages which cannot survive.    From Wordnik.com.  [10. Integrated pest management] Reference

Insect growth regulators Disrupt the molting, maturity from pupal stage to adult, or other life processes of insects.    From Wordnik.com.  [Types of pesticides] Reference

After 10 days to 3 weeks, depending on the type of butterfly, the pupal case splits open and the adult insect emerges.    From Wordnik.com.  [4 Operating a Butterfly Farm] Reference

Coleopterans are holometabolous group, meaning that its members all transform from larvae to adults via a pupal stage.    From Wordnik.com.  [Insecta (Aquatic)] Reference

Methoprene-treated larvae became giant-sized, and some pupal-imaginal intermediates were produced which generally died.    From Wordnik.com.  [Chapter 7] Reference

During the pupal stage, the larval mouthparts transform into shearing tools so the adult can cut its way out of the cocoon.    From Wordnik.com.  [Insecta (Aquatic)] Reference

Just before frost the last caterpillars search for protected places where they pass to the pupal or resting stage for the winter.    From Wordnik.com.  [An Elementary Study of Insects] Reference

Nymph: the larval stage of insects with incomplete metamorphosis: applies also to their pupal stage, and sometimes used as = pupa.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

The larval stage lasts about three to four weeks and the pupal stage only 10 days, so maize can be attacked by several generations.    From Wordnik.com.  [Chapter 10] Reference

Electrodes and a control chip are inserted into a moth during its pupal stage.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

I checked the moth larva again; it's gone into the pupal stage in my little bottle.    From Wordnik.com.  [BC Bloggers] Reference