Osmia bicornis

are parasitized by

• Global Biotic Interactions: Leucospis dorsigera Fabricius 1775
• Global Biotic Interactions: Leucospis gigas Fabricius 1793

visit flowers of

• Global Biotic Interactions: Geranium sanguineum L. (bloody geranium)
• Global Biotic Interactions: Veronica officinalis L. (Health Speedwell)
• Global Biotic Interactions: Prunella vulgaris L. (common selfheal)
• Global Biotic Interactions: Acer pseudoplatanus L. (sycamore maple)
• Global Biotic Interactions: Geranium pratense L. (Meadow Crane's-bill)