1a originally an upper-surface stellate blotch; later the brances coalesce resulting in a large brown blotch; larva: cephalic skelet of Phytomyzinae type: Phytomyza medicaginis

1b corridor, followed, and often overrun later by, a large blotch; larva: cephalic skeleton of Agromyzinae type: Agromyza abiens

1c galls, etc => Tables for all parasites per species