Two new species of eriophyoid mites inhabiting amaranthaceous plants in Egypt are described and illustrated. Aceria mosalahi sp. nov. heavily induces galls on leaves and stems of Chenopodiastrum murale (L.) S. Fuentes, Uotila & Borsch, while Aceria nudata sp. nov. induces red galls on the stems and leaves of Traganum nudatum Delile. Twenty-two Aceria species are known to inhabit plants of the Amaranthaceae family, and those inducing galls are listed here along with their diagnostic characteristic.