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Published online by Cambridge University Press: 31 May 2012
Egg–1/18 in. diameter; light green, translucent, smooth, circular, oblate or depressed. Hatched in nine days from extrusion. Larva–¼ in. long; light green, slender; head large, round, slightly depressed medially ; face pink, with a purplish tinge; extremity of the body dark sea-green, with a large wart or tubercle, pyramidal in form, upon which rests the horn.