2. Anthocopa Papaveris, ♂ ♀.

3. Osmia leucomelana, ♂ ♀.

[Plate XV.]

1. Apathus rupestris, ♂ ♀.

2 ♂. Apathus campestris (the sexual sign to this should be ♀).

2 ♀. Apathus vestalis.

3. Bombus fragrans, ♀.

4. Bombus Soroensis, ♂ (var. Burrellanus).

[Plate XVI.]

1. Bombus Harrisellus, ♀.