1a small pear-shaped mine: a short corridor, quickly widening into a small blotch => 2

1b corridor mine => 3

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

2a species from Israel: Bucculatrix spina-christi

2b species from the Ukraine: B. paliuricola

3a at start of the mine a semiglobular, shining egg shell; larva chamber at most 3 times as long as wide: Stigmella paliurella

3b egg shell elliptic, iridescent; larval chamber 5 times as long as wide: Buccularix albella