(Rich Hatfield/The Xerces Society via AP) This undated photo provided by Rich Hatfield shows the white shouldered bumble bee (Bombus appositus) visiting yarrow in the Columbia Gorge National Scenic Monument. The Pacific Northwest Bumble Bee Atlas for Idaho, Oregon and Washington that started this month aims to accumulate detailed information about bumblebees with the help of hundreds of citizen scientists spreading out across the three states.