Last modified: April 9, 2021, 11:34 a.m.
A very rare species in Belgium.
Parthenogenetic species, adult females are apterous. They can be distinguished from females of Dahlica triquetrella by the foreleg which in D. lichenella always has 4 tarsal segments, sometimes fused, whereas in D. triquetrella there are always 5 tarsal segments.
One generation a year: from March till April.
Forests, gardens, and parks.