April 17, 1977 - July 3, 2011
Sheryl Costello died on July 3, 2011, during a climbing accident on Mt. Baker in Washington. Sheryl was a talented and respected forest entomologist with the US Forest Service, based in Golden, CO. She will be greatly missed by her colleagues.
A heartfelt remembrance has been written by her USFS colleague, Jeff Witcosky.