Which preposition to use with tarsi

of Occurrences 1%

Thus the wedding ring rubbing upon that little abscess called the stye, which is frequently seen on the tarsi of the eyes, is said to remove it.

with Occurrences 1%

Elytra purplish violet, with three longitudinal keeled lines not extending to the tip, coarsely punctured, except on the lines which are smooth: two first pairs of legs red, tips and bases of the joints darkish; tarsi with brownish hairs, posterior legs deep black; tibiae with longish hairs.

Which preposition to use with  tarsi