with long hair - Panurgus (9).
Abdomen obovate; antennæ filiform;
posterior legs covered
densely with short hair - Eucera (10).
Three submarginal cells to the wings.
Short dense hair on the whole posterior
tibiæ externally.
Abdomen obovate; first joint of
labial palpi twice as long as
second - Anthophora (11).