The same Holly blue (Celastrina argiolus) ^[1] female that shortly before had deposited her eggs on Common ragwort (Jacobaea vulgaris), see here.

After depositing her egg on Common ragwort she flew to the Lucerne (Medicago sativa) plant next to it and deposited another three eggs, each on a different bunch of developing flower butts.

Between laying eggs she found moments to drink some nectar.

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Literature

¹ Nederlands Soortenregister