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Published online by Cambridge University Press: 31 May 2012
Pyrameis cardui, Linn.
The life history of this well known species has not been written, to judge from the references given by the late Mr. Henry Edwards in his useful catalogue, so I present it here:-
Egg.—Cylindric-conical, the base flat with the usual vertical ribs: colour pale yellow; diameter .6 mm. Laid singly.
* See “Descriptions of some Butterfly larvæ from Yosemite,” No. VI.
† Ridgway's Nomenclatue of Colours, pl. iv., fig. 18.
‡ Op. Cit., pl. x., fig. 9.