The Bombini are a tribe of large bristly apid bees which feed on pollen or nectar.

The tribe contains a single living genus, Bombus, the bumblebees,[1] and some extinct genera such as Calyptapis and Oligobombus.

Bombus cerdanyensis was described from Late Miocene lacustrine beds of La Cerdanya, Spain in 2014.

[3] Calyptapis florissantensis was described by Theodore Dru Alison Cockerell in 1906 from the Chadronian (Eocene) lacustrine – large shale of Florissant in the US.

[4][5] Oligobombus cuspidatus was described by Antropov et al (2014) from the Late Eocene Insect Bed of the Bembridge Marls on the Isle of Wight, England.