Monochroa rumicetella is a moth of the family Gelechiidae. It was described by O. Hofmann in 1868.Fauna Europaea It is found from Fennoscandia and Belarus to Portugal, the Alps and Greece, and from France to Romania.
The wingspan is 10–11 mm."03313 Monochroa rumicetella (O. Hofmann, 1868)". Lepiforum e.V. Retrieved February 5, 2020. Adults are on wing in May."Monochroa rumicetella". Lepidoptera.no. Retrieved February 5, 2020.
The larvae feed on Rumex acetosa and Rumex acetosella. They mine the leaves of their host plant. Larvae can be found in July and August."Monochroa rumicetella (Hoffmann, 1868)". Plant Parasites of Europe. Retrieved February 5, 2020.
References
"Monochroa rumicetella (O. Hofmann, 1868)". Insecta.pro. Retrieved February 5, 2020.