Alchemilla lady’s-mantle

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.

mod 9.x.2017