@article {581, title = {Some new or uncommon Syrphini (Diptera: Syrphidae) from southern Africa}, journal = {Annals of the Natal Museum}, volume = {21}, number = {3}, year = {1973}, pages = {595-607}, keywords = {New species, Syphidae}, author = {Vockeroth, J.R.} } @article {497, title = {Descriptions of the first known Ethiopian Myolepta species with a review of the subgeneric classification of Myolepta (Diptera: Syrphidae)}, journal = {Annals of the Natal Museum}, volume = {22}, number = {1}, year = {1974}, pages = {325-334}, address = {Pietermaritzburg, South Africa}, keywords = {Myolepta, Syrphidae}, author = {Thompson, F. Christian} } @article {599, title = {Revision of the Afrotropical species of Graptomyza Wiedemann (Diptera: Syrphidae: Volucellini)}, journal = {Annals of the Natal Museum}, volume = {33}, number = {1}, year = {1992}, pages = {209-269}, address = {Pietermaritzburg, South Africa}, keywords = {Arthropods, Dipterans/True Flies, ETHIOPIAN REGION, Graptomyza, Insects, Invertebrates, phylogeny, Syrphidae, Systematic revision Volucellini}, author = {Whittington, A.E.} }