Plant Parasites of Europe

leafminers, galls and fungi

gallers on genus Borago

Dichotomous table for gallers on Borago officinalis

by Hans Roskam

1a Leaf blade with rotund yellowish swelling, more oblong-oval to spindle-shaped close to venation, protruding on underside, bearing aecia on underside, spermogonia on upper side. Puccinia recondita

1b Leaf blades curved downwards over margin, curled. Bearing colonies of black aphids on underside. Aphis fabae

Last modified 17.xi.2023