Dichotomous table for leafminers
1a mine upper-surface; larva a maggot: Chromatomyia soldanellae
1b mine ful depth; larva with chitinised head => 2
1c gallen etc => Tabellen voor alle parasieten per soort
2a mine small; larva with prolegs; older larvae live free among spun leaves: Cnephasia stephensiana
2b mine larger; larva without prolega; lara mines all its life: Brachiodontus alpinus
A confusing remark that “Phytoliriomyza haltera” had been reared from Soldanella in Hering (1944a) was not repeated in Hering (1957a).