Stigmella rolandi sp. n.: a widespread southern European species on Rosa (Lepidoptera: Nepticulidae).

Stigmella rolandi sp. n., belonging to the Stigmella sangaisorbae group, is described from southern Europe. It has previously been misidentified as S. spinosissimae Waters, a western European species. The species is characterized by a costal hair pencil on the male hindwing. The distribution is mapped, and the biology described: the larva feeds on Rosa and Sangclisorba.