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By: Samways, Michael J., - Kirk-Spriggs, Ashley H. - Mcgregor, Gillian KType: ArticleIn: Manual of Afrotropical Diptera. Volume 1, Introductory chapters and keys to Diptera familiesVolume: 1Series:Issue:Date: 2017Page Range: 239--252Publication Info: Pretoria South African National Biodiversity Institute 2017Subjects: