The alder leaf beetle, which feeds on the leaves of trees, entered the top 10 for only the second time. The beetle has recently become re-established in some parts of England.

The white alder --Alnus rhombifolia. ... Because it needs a constant supply of water, this alder finds only limited use as a street tree but is excellent for rehabilitating an abandoned stream site.

Respect your elders: The magical properties of elder and alder trees. By MONTY DON FOR MAILONLINE Updated: 05:19 EDT, 17 November 2008 ...