The mite Phyllocoptes eupadi causes galls to form on the leaves of Bird Cherry Prunus padus. The galls take the form of elongated pustules, raised on the upper surface and often clustering along the midrib.

Eriophyes similis and E. homophyllus on Blackthorn and Damsons/Plums.

Gall Adult

Ensure you have identifed the host, and provide photographs of the gall on the host.

Bird Cherry - planted trees in plantation woodlands, roadsides, parks and gardens in VC55

Whenever the host plants are in leaf.

Status in Britain not known.

Status in Leicestershire and Rutland not known.