Last year I noticed this small 3mm long beetle Phyllotreta ochripes [1] on Garlic mustard (Alliara petiolata), one of its host plants, and this season it returned to the plant.


References
1 Nederlands SoortenregisterPhyllotreta ochripes
- Alliara petiolata (Garlic mustard) -OBSERVATION:
Last year I noticed this small 3mm long beetle Phyllotreta ochripes [1] on Garlic mustard (Alliara petiolata), one of its host plants, and this season it returned to the plant.
References
1 Nederlands Soortenregister