†† With three submarginal cells.

Genus 11. Anthophora.

12. Saropoda.

13. Ceratina.

Subsection 2. Nudipedes (naked-legged).

a. With three submarginal cells.

Genus 14. Nomada.

15. Melecta.

16. Epeolus.

b. With two submarginal cells.