Hepatica is closely related with Anemone, and many authors considers it as a part of the latter one.
Dichotomous table for leafminers
1a larva with obvious feet and head; mine a full depth blotch: Pseudodineura mentiens
1b larva a maggot; mine an upper-surface blotch => 2
1c galls, etc => Tables for all parasites per species
2a larvae in winter and early spring: Phytomyza abdominalis
2b larvae in July – October: Phytomyza socia