Vitis grape vine
Dichotomous table for leafminers
1a mine small, full depth, eventually a blotch in which an oval excision is cut => 2
1b mine upper-surface, a long, slender corridor, not ending in an excision: Phyllocnistis vitegenella
1c galls, etc => Tables for all parasites per species
2a blotch preceded by slender gallery, at least as long as the diameter of the blotch: Holocacista rivillei
2b initial gallery very short, often overrun by the later blotch: Asilanta oinophylla