Faster Than Expected

Emerald Ash Borer galleries in bark (photo by April Claus)
Emerald Ash Borer galleries in bark (photo by April Claus)

26 January 2017

On Throw Back Thursday:

Back in January 2010 when I first learned about emerald ash borer, I thought we’d see a slow decline of ash trees in the Pittsburgh area.

Not so!  The bugs wiped out the ashes much faster than expected.  Within five years Schenley Park’s ash trees were dead except for the few treated with pesticides.

What did things look like as the invasion began?  Here’s a look back seven years:

(photo by April Claus)

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