Ovum/Egg: White to pale green and shiny. Dome-shaped with 28 to 32 vertical ribs from the micropyle to the base.
Larva: Mature larvae are 34 to 38 mm long, pale yellow-green with a glassy green to grey head edged with a black streak. Above the spiracles on each side of the body is a thin dark green or black line stretching from the head to the seventh abdominal segment, below this is a thicker white line from the head to the tip of the anal proleg. Spiracles are black. The ventral region is speckled with white dots. Larvae have only three pairs of prolegs, instead of the normal five, resulting in the looping gait giving rise to some of the common names.
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