English
Reference
Franz Dziock (1999): Historische Belege von Brachyopa maculipennis Thompson, 1980 (Diptera, Syrphidae) aus Brandenburg. / On an ancient record of Brachyopa maculipennis Thompson, 1980 (Diptera, Syrphidae) from Brandenburg – Volucella - Die Schwebfliegen-Zeitschrift – 4: 157 - 160.
