Saperda tridentata
(gcide) | Elm \Elm\, n. [AS. elm; akin to D. olm, OHG. elm, G. ulme, Icel.
almr, Dan. & Sw. alm, L. ulmus, and E. alder. Cf. Old.]
(Bot.)
A tree of the genus Ulmus, of several species, much used as
a shade tree, particularly in America. The English elm is
Ulmus campestris; the common American or white elm is {U.
Americana}; the slippery or red elm, U. fulva.
[1913 Webster]
Elm beetle (Zo["o]l.), one of several species of beetles
(esp. Galeruca calmariensis), which feed on the leaves
of the elm.
Elm borer (Zo["o]l.), one of several species of beetles of
which the larv[ae] bore into the wood or under the bark of
the elm (esp. Saperda tridentata).
Elm butterfly (Zo["o]l.), one of several species of
butterflies, which, in the caterpillar state, feed on the
leaves of the elm (esp. Vanessa antiopa and {Grapta
comma}). See Comma butterfly, under Comma.
Elm moth (Zo["o]l.), one of numerous species of moths of
which the larv[ae] destroy the leaves of the elm (esp.
Eugonia subsignaria, called elm spanworm).
Elm sawfly (Zo["o]l.), a large sawfly (Cimbex Americana).
The larva, which is white with a black dorsal stripe,
feeds on the leaves of the elm.
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