All expenses, except salaries, incurred by the state apiarist or the apiarist's assistants in the performance of their duties within a county shall be paid not to exceed two hundred dollars per annum for the purpose of eradication of diseases and parasites among bees. Such work of eradication shall be done in such county under the supervision of the state apiarist.
Iowa Code § 160.15
83 Acts, ch 123, §70, 209; 88 Acts, ch 1051, §6