Carpenter bees are large bees that are typically mostly black with some yellow. They are usually solitary, though some species live in small familial social groups. http://www.bee-hive-removal-los-angeles.com/stinging-pests
It wasn’t until World Wars One and Two—when sleek, streamlined planes became mainstream—that the name "bumblebee" rose to prominence. These cruisers made the insect look bumbling and confused by comparison.
Residents, businesses, and environmental groups in Norway have created a "bee highway" allowing bees safe passage through a heavily populated urban area. http://healthypets.mercola.com/sites/healthypets/archive/2015/11/10/bee-highway-protects-wild-bee-species.aspx