Title: Two new species of mites of the genera<i>Petalomium</i>Cross and<i>Caesarodispus</i>Mahunka (Acari: Heterostigmata: Neopygmephoridae, Microdispidae) associated with<i>Solenopsis invicta</i>Buren (Hymenoptera: Formicidae) from the U.S.A.
Abstract: Abstract Two new species of myrmecophilous pygmephoroid mites, Petalomium hofstetteri n. sp. (Neopygmephoridae) and Caesarodispus klepzigi n. sp. (Microdispidae), associated with the red imported fire ant (Solenopsis invicta Buren) (Hymenoptera: Formicidae) are described from Louisiana, U.S.A.