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Percent pupation (squares) and pupal weights (black circles) for P. m. aliaska larvae reared in the laboratory from egg-hatch to pupation on C. cnidiifolium (Cc), A. arctica (Aa), and P. frigidus (Pf). Pupal weights also are given for the larvae that were reared in the field (gray circles) from the third-instar molt until just before pupation. Means are given ± SE.
