Bombus terrestris, the Buff-tailed Bumblebee or Large Earth Bumblebee is one of the most numerous bumblebee species in Europe. The queen is 2–2.7 cm long, while the workers are 1½–2 cm. The latter are characterized by their white-ended abdomens and look (apart from their yellowish bands being darker in direct comparison) just like those of the White-tailed Bumblebee (B. lucorum), a close relative. The queens of B. terrestris have the namesake buff-white abdomen ("tail") tip; this area is... (From Wikipedia)

Bombus lapidarius, the Red-tailed bumblebee, is a species of bumblebee in the subgenus Melanobombus. (From Wikipedia)

Bombus hortorum is a species of bumblebee. It bears the common name Garden bumblebee. It is found in Eurasia and Australia. (From Wikipedia)