A new genus and species of mites of the family Caraboacaridae (Acari: Heterostigmata), Intercaraboacarus clivinus Katlav and Hajiqanbar new genus, new species, associated with Clivina ypsilon Dejean, 1829 (Coleoptera: Carabidae), is described from Iran. It is the third genus of the family Caraboacaridae in the world. The new genus represents a combination of shared character states with the two previously described genera. An illustrated key to world genera of the family is provided. Differentiation of the new genus from other genera and distribution and host range of all known genera and species of the family are discussed.