Plant Parasites of Europe

leafminers, galls and fungi

Sium

Sium water parsnip

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

Dichotomous table for leafminers

1a mine < 1 cm, full depth, often in numbers together in a leaf axil; larvae, with distinct feet and chitinised head, later live free and cause extensive window feeding: Epermenia chaerophyllella

1b mine > 1 cm, not full depth; larva a maggot => 2

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

2a primary blotch mine: Euleia heraclei

2b corridor mine: Phytomyza sii

Tables for all parasites per species

Last modified 20.vi.2020