Ecological Role
The American Elm is the larval host of a number of species of Lepidoptera, including such butterflies as the Eastern Comma (Polygonia comma), Mourning Cloak (Nymphalis antiopa), Painted Lady (Vanessa cardui) and Red-spotted Purple (Limenitis arthemis astyanax), as well moths like the Columbian Silkmoth (Hyalophora columbia).