Theora lubrica new to Scotland (Mollusca Semelidae)
Identified by Fabio Crocetta, Simon Taylor and Graham Oliver, publication with identification tips can be found here: https://www.researchgate.net/publication/348121546_Theora_lubrica_Mollusca_Semelidae_new_to_Scotland_Mollusc_World_53_July_2020_23
