@BOOK {KOCH:2015, title = {The sawflies of Namibia and western South Africa (Symphyta, Hymenoptera)}, author = {Koch, F. and Goergen, G. and van Noort, S. *}, series = {ABC Taxa}, year = {2015}, month = {October}, volume = {15}, publisher = {Belgian National Focal Point}, address = {Belgium}, isbn = {978-90-73242-36-4}, note = {E-ISSN: 1784-1291; WAHub; 264p.}, }