Alchemilla lady’s-mantle
(For a dichotomous table for galls on Alchemilla by Hans Roskam click here)
Dichotomous table for leafminers
1a fleck mine => 2
1b mine ends in an excision: Incurvaria praelatella
1c gallery or blotch => 3
1d galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a fleck mine => 2
1b mine ends in an excision: Incurvaria praelatella
1c gallery or blotch => 3
1d galls, etc => Tables for all parasites per species
2a black, smooth, sheath case: Coleophora rectilineella
2b brownish lobe case: Coleophora potentillae
3a a large, upper-surface, untidy broad gallery; frass in two rows along the sides; larva a maggot: Agromyza idaeiana
3b mine small, irregular, full depth; larva with sclerotised head => 4
4a pinacula colourless (only the base of the setae black): C. incertana
4b pinacula black: Cnephasia asseclana
See also: Stigmella centifoliella.