Udea abstrusa is a moth in the Crambidae family. It was described by Munroe in 1966. It is found in North America, where it has been recorded from Alberta, British Columbia, Colorado, New Mexico, the Northwest Territory, Washington and Wyoming. The wingspan is about 22 mm. Adults have been recorded on wing in July and August.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0