1. Pupation in hidden places outside the food material.

2. Ground dry dog or cat food encourages pupation.

3. Pupation within the host body or not depends on nutrient amount remained in the host.

4. After pupation, the CAT activity increased rapidly and reached the peak at the middle stage of pupae, then decreased rapidly until emergence.

5. From about one week before pupation (the last instar) haemolymph ecdysteroid titres went up forming two separated peaks.

6. The pupation and eclosion were hindered by treatment of larvae.

7. Genetic analysis on the inheritance of pupation rate and some traits of cocoon were adopted with diallel cross.

8. Wing disc is the organ of larve which will developed into the wings of adults; during pupation both the shape and the function of the wing disc will see definite changes.

9. Although early instar larvae were present in the host larval hemocoel, only one parasitoid survived to come out of host larva for pupation, killing the larva in the process.

10. Spinosad fed to 4th instar larvae for 2 h led to reduction in the percentage of pupation, but did not significantly affect adult emergence, life span, and egg production.

11. Laboratory experiments were conducted to examine the survival time, pupation rate and eclosion rate for the Brontispa longissima in the situation in lack of food.

12. The results revealed that the timing of pigmentation of compound eyes and adult emergence were delayed by treatment of KK-42 before 36th hours after pupation.

13. This paper focused on the larva growth rate, mortality, pupation rate, nutritional component of Tenebrio molitor L.

14. The pupa starts a creamy white colour and changes slowly to brown during its pupation stage.

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15. The results show that:(1)Morph-characteristics of diapause pupae during diapause period remain as in the early pupation stage.

16. However, avermectin fed by 4th instar larvae could remarkably reduce the percentage of pupation and adult emergence, and egg production.

17. Mature larvae usually leaves the victim or the back of the leaves, petioles, veins and weeds on a thin silk cocoon so pupation, pupal stage 5-15 days.

18. The injury symptom of leaves caused by larvae varied with host plants, and the pupation site was different depending on the host plants.

19. The firefly is a holometabolic insect, passing through the stages of being an egg, being a larva, molting , and pupation.

20. The larvae had five instars, and exuviated at night, pupated at 5rd instar old larvae, pupation time need 2-4 days.