P.machaon, ssp Gorganus is only protected in Germany.
Larvae of Gorganus are a dull green compaired with Britannicus larvae which are a bright lime green in the final instar. The pupae are also a different colour and shape when compaired to Britannicus pupae.
Larvae feed on Fennel, Dill, Parsnip, Carrot and other Umbellifers.
Double or triple brooded. These larvae are from wild pupae.