The apple maggot is slowly making its way north through central Washington’s fruit growing areas, though it is not yet established north of Ellensburg, Tim Smith, Washington State University Extension educator reported to growers at the Lake Chelan Hort Day this winter. Apple maggot, which is native to the eastern United States, was first noticed in the Pacific Northwest in 1979 when it was found in Portland, Oregon. Since then, it has spread south through western Oregon as far as northern California and north through western Washington and into British Columbia, Canada. Smith said the insect requires cold winters to […]