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Published online by Cambridge University Press: 31 May 2012
On the 18th June, 1900, Mr. C. T. Hills, of Chicago, was kind enough to send me a batch of about 79 eggs of Arctia phalerata, Harr. The parent moth was captured on the 12th June, and enclosed in a box over night; on the next day, the 13th, the eggs were laid.
Egg.—.75 mm. in width, semi-ovoid, about as high as wide, shiny, smooth, creamy-white, concave at base.
The eggs hatched on the 20th and 21st of June. Duration of egg stage 7 or 8 days.