Oxalis wood-sorrel
(For a dichotomous table for galls on Oxalis by Hans Roskam click here)
Dichotomous table for leafminers
1a Full depth blotch; the blotch is often prededed by a corridor, which then has a lower-surface elliptic egg shell at its start; larva a maggot: Pegomya seitenstettensis
1b upper- or lower-surface gallery: Liriomyza bryoniae
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a Full depth blotch; the blotch is often prededed by a corridor, which then has a lower-surface elliptic egg shell at its start; larva a maggot: Pegomya seitenstettensis
1b upper- or lower-surface gallery: Liriomyza bryoniae
1c galls, etc => Tables for all parasites per species