A new mealybug species, Phenacoccus poae sp. n. (Hemiptera: Coccomorpha: Pseudococcidae) and a new felt scale species, Rhizococcus asperulae sp. n. (Hemiptera: Coccomorpha: Acanthococcidae) are described and illustrated based on adult females; both were collected from Iran, Markazi province, Arak, Haftad-Gholleh Protected Area. A new country record of Rhizococcus istresianus Goux, 1989 (Hemiptera: Coccomorpha: Acanthococcidae) from Kermanshah province, Eslamabad -e Gharb, Ghallajeh Protected Area, is illustrated and some of its morphological variations are discussed. Identification keys to the Iranian species of Phenacoccus and Rhizococcus are provided.