Cosmardia moritzella is a moth of the family Gelechiidae. It is found in Portugal, France, Germany, Austria, Switzerland, Italy, Poland, the Czech Republic, Slovakia, Belarus, Hungary, Romania, Greece, Estonia, Latvia, Lithuania, Finland, Norway, Ukraine and Russia (Ural Mountains, Altai Mountains and south-western Siberia).
The wingspan is 13âÂÂ14 mm.
The larvae feed on Silene latifolia and Silene dioica.