Subspecies of Saperda populnea (Linnaeus, 1758) fall in the grey zone under the unified species concept. Adapted from de Quieroz (2007) and beetle photos by Karsten Sund.

 
 
  Part of: Wallin H, Kvamme T, Bergsten J (2017) To be or not to be a subspecies: description of Saperda populnea lapponica ssp. n. (Coleoptera, Cerambycidae) developing in downy willow (Salix lapponum L.). ZooKeys 691: 103-148. https://doi.org/10.3897/zookeys.691.12880