A Metabolomic and HPLC-MS/MS Analysis of the Foliar Phenolics, Flavonoids and Coumarins of the Species Resistant and Susceptible to Emerald Ash Borer.

The Emerald Ash Borer (EAB), , Fairmaire, an Asian invasive alien buprestid has devastated tens of millions of ash trees ( spp.) in North America. Foliar phytochemicals of the genus (Oleaceae): (Green ash), (White ash), (Bush) Bush.

Methyl gallate is a natural constituent of maple (Genus Acer) leaves.

Methyl gallate was found in ethanolic extracts of red maple (Acer rubrum L.), silver maple (A. saccharinum L.