Ectoedemia argyropeza is a moth of the Nepticulidae family. It is a widespread species, with a Holarctic distribution. It is found in most of Europe, as well as North America. In Russia, it is found in Leningrad, Moscow, Kaluga, Tatarstan and Kalinigrad. It is also known from north-eastern China. The wingspan is 7 mm. Adults are on wing from May to June. It is a parthenogenetic species, with males being extremely rare.