British Bees / An Introduction into the Studies of the Natural History and Economy of the Bees Indigenous to the British Isles

by William Edward Shuckard

Abdomen obovate, rounded at apex - Osmia (24).

Abdomen truncated at base.

Segments slightly constricted,

and not spotted with colour - Megachile (19).

Segments not constricted,

spotted with yellow - Anthidium (20).

Pollen conveyed on the posterior legs.

Two submarginal cells to the wings.

Abdomen lanceolate; antennæ

clavate; posterior legs covered