http://www.forestthreats.org Information about a forest threat. hourly 8 2008-01-01T12:00+00:00 http://www.forestthreats.org/featured-forest-threats/hemlock-woolly-adelgid-adelges-tsugae Hemlock woolly adelgid, native to Asia, was first reported in 1951 near Richmond, Virginia. By 2005, it was established in portions of 16 states from Maine to Georgia, where infestations covered about half of the range of hemlock. No publisher sworleyfirley 2010-08-02T13:10:01Z Featured Forest Threat