Search Results - Field Guide

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Illustration of American elm leaves.
American Elm
Ulmus americana
Until Dutch elm disease came to America, the large, graceful American elm was widely planted along city streets and was beloved as the all-American shade tree. Now large specimens are rare, since the deadly fungus usually kills trees before they reach fine old ages.
Elm borer beetle resting on rocks in a flower planter
Elm Borer
Saperda tridentata
The elm borer is a longhorned beetle whose larvae bore galleries under the bark of elm trees. The orangish markings on the adults are distinctive.