Reference

Robert B. Angus, Sergey K. Ryndevich, Tianshu Zhang (2017): A new species of Helophorus FABRICIUS, 1775 from the Chinese Altai, with notes on the former subgenus Atractohelophorus KUWERT, 1886 and selected species (Coleoptera: Helophoridae) – Koleopterologische Rundschau – 87_2017: 239 - 252.