Allen,
Referring to the discomfort experienced after being stung about the
ankles;
I rate this as "bad" as being stung on the scalp or any other place on
the body where there is not the allowance/give for any swelling that
takes place -  the increase in volume coupled with the lack of give
causes increased discomfort. These locations are always situated where
the bone mass is close to the surface.
Being stung on the leg/forearm, as long as there is no excessive
reaction is easier to support due to the swelling and resulting
tightening of flesh being accommodated - more give in the skin tissue.
Also, there may be the fact that being stung on the ankle is relatively
rare when compared with say, on the wrist - one gets used to that.
I hate being stung on the sole of the foot.

Peter

P.S. How many beekeepers sneeze after having been stung on the nose?