Olea olive
Dichotomous table for leafminers
1a long, gradually widening corridor, containing copious frass (only the margins remain free); pupation within the mine: Metriochroa latifoliella
1b shortish narrow corridor and/or blotch with little or no frass; pupation outside the mine: Prays oleae
1c galls, etc => Tables for all parasites per species