Courtesy Rich Hatfield / The Xerces Society
The Western bumblebee, or Bombus occidentalis, has been spotted in Sunriver as recently as 2011.
Ben Hull walks his dog on a levy between the Deschutes River, which is not pictured at right, and a partially flooded Ryan Ranch meadow, left, near Dillon Falls Thursday. With plans to allow additional flooding, some say the Western bubmlebee, if in the area, could be affected. Rob Kerr / The Bulletin