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Webinar: Ulmus americana – Saving an American Icon

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Scolytus multistriatus - Breeding Gallery In 1909, while collecting Leopard Moth larva from elm trees in the college yard at Harvard University, Dr. James W. Chapman discovered small grubs and adult beetles under the bark. With the aid of Dr. A.D. Hopkins, the first identification of the smaller European elm bark beetle, Scolytus multistriatus was...