Plate XV. E. W. Robinson, Delt. et Scp. 1866.


PLATE XVI.

1 ♀. Bombus Harrisellus, female.

2 ♀. " Lapponicus, female.

3 ♀. " sylvarum, female.

4 ♂. Apis mellifica, male.

4 ♀. " " female.

4 ⚲. " " neuter.