Mompha sexstrigella

Mompha sexstrigella is a moth in the Momphidae family. It has a Holarctic distribution. In Europe it is found in northern Fennoscandia and Estonia. It is also found in the Asian part of Russia, where it is known from the Altai mountains, southern Siberia and Sakhalin. In North America, it is found in Canada and the western United States.

The wingspan is 10–11 mm. There is one generation per year with adults on wing from the second half of June to the middle of August.

The larvae feed on Chamaenerion angustifolium. They mine the leaves of their host plant. The mine has the form of a gallery, widening into a blotch. Pupation takes place within the mine. Larvae can be found from July to August.