Bees range in size from tiny stingless bee species, whose workers are less than 2 millimeters (0.08 in) long,…

Bees range in size from tiny stingless bee species, whose workers are less than 2 millimeters (0.08 in) long, to the leafcutter bee Megachile pluto, the largest species of bee, whose females can attain a length of 39 millimeters (1.54 in).