Taxonomy
Bombus laesus Morawitz, 1875
Nomenclature
Species:
Bombus laesus Morawitz, 1875
Usage:
valid
SUMMARY
There are two subspecies belonging to Bombus laesus in Europe. The information given here is referred to that one present in Spain, the subspecies mocsaryi.
Bombus laesus is a medium size bumblebee. The pubescence of interalar band is black and has the circular outline. Rest of pubescence is brownish yellow. T6 and E6 may have some black hairs or may be entirely black.
In males the yellow color is paler and his hair is shorter than in females.
Length of queens: 16-19 mm.
Length of males: 13-15 mm.