[2] The larvae mainly feed on the flowers and fruit of grape (Vitis vinifera) and spurge laurel (Daphne gnidium), but it has also been reported on several other plants (Rubus fruticosus, Ribes sp., Olea europaea, Prunus avium, Prunus domestica, Actinidia chinensis, Punica granatum, etc.).
[2] This species is considered a major vineyard pest in its native range, as the larvae feed on the interior of grapes, hollow them out and leave excrement.
On March 9, 2010, the California Department of Food and Agriculture (CDFA) announced it had established a quarantine of 162 square miles (420 km2) including portions of Napa, Sonoma and Solano counties.
[6] As of May 12, 2010, Fresno county was also placed under quarantine after traps near Kingsburg, California contained two specimens within 2 miles (3.2 km) of one another.
In August 2016, with no moths found since June 2014, the state declared that Napa County, and California, were free of the invasive species.