In a survey of the respiratory parasites of columbiform birds performed at Texas Technological College, Lubbock, Texas, two new species of nasal mites were discovered: Neonyssus zenaidurae, from the mourning dove, and Speleognathus striatus, from the domestic pigeon. Mexican ground doves were also examined, but only one of sixteen birds was parasitized. Other species of columbiform birds were not available for study.