Sheryl L. Costello

April 17, 1977 - July 3, 2011

photo of Sheryl Costello


 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.

Visit a website ( set up by Sheryl's family and friends to honor Sheryl, or a July 2012 update (3.5 MB) from Sheryl's parents.