Gleditsia honey locust
Dichotomous table for leafminers
1a corridor, largely following the leaf margin, continued into a large blotch: Phytoliriomyza variegata
1b galls, etc => Tables for all parasites per species
1a corridor, largely following the leaf margin, continued into a large blotch: Phytoliriomyza variegata
1b galls, etc => Tables for all parasites per species