A small red-brown bug with the dorsal surface covered in pale yellow scale-like hairs.  Tibial spines arise from dark spots, and the cuneus is red with a narrow white basal border.  To confirm the species, male genitalia should be dissected.

Other Psallus, especially P falleni on Birch

Photographs should show key features and male aedeagus

Alder trees

Common (ref. UK checklist 2021 on British Bugs website)

Rarely recorded