Northern Brown Argus

Differs from Brown Argus in that the orange markings on the upper forewings are absent, those on the hind wings are small and the underside is paler with smaller black spots. As it is difficult to tell the differences between Brown Argus and Northern Brown Argus ID should be made by site. Restricted to the North and West of the county on limestone in the Pennines and Dales, here its caterpillars feed on Rock Rose.

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