Reference

Christian Kehlmaier, Manuel Dierick, Jeffrey H. Skevington (2014): Micro-CT studies of amber inclusions reveal internal genitalic features of big-headed flies, enabling a systematic placement of Metanephrocerus Aczél, 1948 (Insecta: Diptera: Pipunculidae) – Arthropod Systematics and Phylogeny – 72: 23 - 36.