Front cover image for Blackflies found feeding on turkeys in Virginia, (Simulium nigroparvum Twinn and Simulium slossonae Dyar and Shannon)

Blackflies found feeding on turkeys in Virginia, (Simulium nigroparvum Twinn and Simulium slossonae Dyar and Shannon)

eBook, English, 1944
Virginia Agricultural Experiment Station, Blacksburg, Va., 1944