2012 [6], 379 p., num. figs & photographs (many col.), paperbound. African Invertebrates Volume 53(1).A special issue with 20 papers by leading dipterists from 15 different countries, dealing with taxonomy, nomenclature, systematics and biogeography of representatives of 19 families of nematoceran and brachyceran Diptera. In total 4 new genera and 58 new species are described.