From the ArcaMax Publishing, Gardening Newsletter:
http://www.arcamax.com/news/gardening/s-2556-375880
If white birches have died due to birch leaf miners tunneling in leaves or birch borers tunneling into bark, consider planting the 'Heritage' river birch instead. It has a similar growth habit, but less susceptible to both pests.
This news arrived on: 07/12/2008