On Alliaria petiolata |
Parasitic, (Earliest: 27.7)
Biotopes: |
Hedge Rows |
Meadows | |
Food: |
Many Brassicaceae |
Fumaria officinalis |
Papaver |
Plant Parasites of Europe: Erysiphe cruciferarum
Pictures © 2003, 2020 J.K. Lindsey
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