Behavior
Duration of the pupal stage varies from a few days in summer to about a month in winter.
Reproduction
The larvae are green with a number of faint longitudinal dorsal and lateral white lines. They also sometimes have black dots on their sides. As for most other plusiine, they lack two pair of prolegs and thus move in a looper fashion, which is somewhat similar to caterpillars in the family Geometridae. They grow to a length of about 4 cm. They are polyphagous and have been reported to feed on over sixty species of plants.References:
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