Browsing Papilio. New Series by Date "1982-11-15"
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The life history and ecology of an Alpine relict, Boloria improba acrocnema (Lepidoptera: Nymphalidae), illustrating a new mathematical population census method The egg, larva, and pupa of B. improba acrocnema are described and illustrated. The larval foodplant is Salix nivalis. There are five instars; overwintering occurs in the fourth instar, and perhaps also in the first instar. ...