Aerial spraying to eradicate the Gypsy Moth in parts of Surrey and Delta began this morning.
Weather permitting, the helicopter spraying will continue tomorrow and Friday from 5:20am to 7:30am.
In Surrey, 4,576 hectares is being sprayed around 64th Avenue and 176th Street.
In Delta, 204 hectares is being sprayed between Highways 10, 99, and 91.
Foray 48B is the pesticide being used.