No red, yes stripes
This group contains some of my favorite species to encounter in the field. A couple of them can pose a bit of an ID challenge. Two form bumble bee, B. bifariusCalifornia bumble bee, B. californicusYellow-faced bumble bee, B. vosnesenskiiObscure bumble bee, B. caliginosusvan Dyke bumble bee, B. vandykei The Two form Bumble shows an inverted …