Onobrychis sainfoin
(For a dichotomous table for galls on Onobrychis by Hans Roskam click here)
Dichotomous table for leafminers
1a fleck mine; larva mines from a case: Coleophora vulpecula
1b corridor or blotch => 2
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a fleck mine; larva mines from a case: Coleophora vulpecula
1b corridor or blotch => 2
1c galls, etc => Tables for all parasites per species
2a larva a maggot; mine upper- or lower-surface => 3
2b larva with chitinised head; mine full depth => 4
3a corridor from start to end; frass in a broad green band: Liriomyza congesta
3b corridor, widening into a blotch over the midrib; frass in the the blotch in a few black lumps: Agromyza nana
4a blotch, not unusually small, with much frass, larva mines all its life: Leucoptera onobrychidella
4b small corridor or blotch with little or no frass; older larvae live free among spun leaves => 5
5a larva with whitish markings on the thorax: Aproaerema anthyllidella
5b no whitish markings => 6
6a pinacula colourless (though the bases of the setae are black): Cnephasia incertana
6b pinacula black: Cnephasia asseclana
Not included in the key: Coleophora onobrychiella, ravillella; Liriomyza cicerina