Two new eyeless mite species from western provinces of Iran: Stigmaeus ladanae n. sp. and Stigmaeus nasrinae n. sp. (Acari: Stigmaeidae)

Two new species of the genus Stigmaeus, S. ladanae n. sp., collected from soil under apple trees in Abbas Abad Hamedan, Hamedan province and S. nasrinae n. sp., collected from soil under Apera spica-venti (L.) (Poaceae) in Nahavand, Hamedan province, Iran, are described and illustrated.