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DESCRIPTION OF THE PREPARATORY STAGES OF PAPILIO PHILENOR, Linn.
Published online by Cambridge University Press: 31 May 2012
Extract
EGG—Spherical ; the surface much covered with a rough crust which rises to a summit, either small and pointed, or rather large and truncated ; the sides of this crust irregularly melon-ribbed ; color of surface russet, of the crust bright ferruginous. Duration of this stage 7 to 9 days.
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