Plant Parasites of Europe

leafminers, galls and fungi

Bidens

Bidens marigold

(For a dichotomous table for galls on Bidens by Hans Roskam click here)

Dichotomous table for leafminers

1a pinnately branched corridor, main branch positioned over the midrib; frass in strings: Liriomyza strigata

1b corridor, not pinnately branched, not associated with the midrib; frass in discrete grains: Chromatomyia cf. syngenesiae

1c galls, etc => Tables for all parasites per species

Not included in the key: Liriomyza pusilla, Liriomyza trifolii.

Tables for all parasites per species

Last modified 30.iv.2020