Volume 4 No 1:

van Steenis J., Koch B. & van Steenis W. 2025. A review of Ischyroptera bipilosa Pokorny, 1887 (Diptera, Syrphidae), a possibly extinct Alpine endemic species. Journaal van Syrphidae 4(1): 1–19. https://doi.org/10.55710/1/XORB2334

Download PDF here.