Shatrovskiy, A. G.; Angus, R. B. The First Record of Helophorus Minutus Fabricius, 1775 (Coleoptera: Helophoridae) for Portugal With Some Notes about H. Calpensis Angus, 1988. KhESG 2024, 32 (1-2), 21-29. https://doi.org/10.36016/KhESG-2024-32-1-2-2.