I just returned to Seattle from 3 weeks of localized host-species genocide to control the ALB infestation in the USDA quarantine zone in Rahway, New Jersey.
We systematically destroyed all individuals of certain species within a certain distance of a known instance of presence that was found. Trees known to be 'not edible' by the bug were left intact, and treated with insecticide. Lots of large oak, mulberry, conifer and other types of trees are still standing, while there is an eerie absence of any maples, or elms, or many other species on the eradication list. Even though perfectly healthy, if a tree was within the treatment radius, it was sacrificed to protect the remaining trees outside the zone.
No one asked me if I thought these trees should be removed. I was only asked if they could be safely cut into sections and removed from within the landscaping in residential & commercial zones with as little disturbance as possible.
In transit thru the airports during my journey home, I read a book, "The Hot Zone", by Richard Preston. Richard is the author of the article on
Redwood tree climbing in the Valentines Day, 2005 issue of The New Yorker magazine.
"The Hot Zone" is the story of the Ebola virus outbreak. The concept of containment of an outbreak of disease struck me as similar between Asian Longhorned Beetle and the nearly always fatal Ebola virus.
Preston shares the possibility that the Ebola virus is an efficient predator about to prey on the bloated human population of 5 billion chunks of meat, waiting to be consumed.
This urgency recalled ecologist Dr. Jerry Franklin's message about exotic pests in his address to the 2002 ISA conference, "Old Growth and New Technology". Franklin said our dependency on wood products could be affected if a catastrophic disease that kills Douglas fir trees, for example, was accidentally imported into an area with little species resistance to the pathogen.
Are we the tree doctors, or the tree morticians? For my take on the cost/benefit analysis of preserving or removing trees, please see my treedr.net article from the October, 1995 issue of Arbor Age magazine at:
Tree Removal, the Ultimate Maintenance Option