Avoiding Diapause > Long Day Photophase
This simply is a technical term meaning to keep your room light on for 18 or more hours to expose eggs, caterpillars, or pupae to summer conditions; coaxing them to avoid hibernation.
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Using a 60 Watt Bulb
Rearing cages, terrariums, and containers do not necessarily need this intense a light source to keep them from hibernating.
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Light on Speyeria Species
When rearing Speyeria species, one technique to break unfed first instars out of diapause is to place them on the leaves of fresh violets or pansies. When the larvae move around to find a place to hide to diapause, keep moving them over and over while exposing them to high humidity and 24 hours of light a day. Usually, within 96 to 144 hours, they will start feeding.
