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

With polliniferous organs.

Pollen conveyed on the venter.

Two submarginal cells to the wings of all.

Abdomen subclavate.

First three joints of labial palpi

continuous, terminal joint inserted

before apex of third - Chelostoma (21).

First two joints of labial palpi

continuous, two last inserted

before the apex of the second - Heriades (22).