| abstract | Four eriophyid mites, including two new species, from Iran are described and illustrated. They are Aceria heteropappi sp. nov. on Heteropappus altaicus (Willd.) Novopokr. (Asteraceae), Tetra heliotropii sp. nov. on Heliotropium chorassanicum Bung (Boraginaceae); and new records in Iran of Aceria malherbae Nuzzaci, 1985 on Convolvulus repens L. (Convolvulaceae), and Aceria salsolae de Lillo & Sobhian, 1996 on Salsola dendroides Pall. and Salsola kali L. (Chenopodiaceae). |