These are busy bees, out and about in September. This area has just melted out, and it might snow up here again in a few weeks. A very short season this year. I think this might be a with Bombus flavifrons Bumblebee on an Arnica latifolia (broadleaf arnica) biology.burke.washington.edu/herbarium/imagecollection.ph... www.bumblebee.org/NorthAmerica.htm Seen hiking up to Cowlitz Divide, Mount Rainier National Park, Washington about 1500 meters (4900 feet) elevation 049