oa Annals of the Natal Museum - Revision of the Afrotropical species of Graptomyza Wiedemann (Diptera: Syrphidae: Volucellini)

Volume 33, Issue 1
  • ISSN : 0304-0798



A key to the genera of Volucellini is presented and the phylogenetic relationships of its included taxa are analysed. Graptomyza Wiedemann, 1820 is diagnosed and the possible mimicry of meliponid bees by Graptomyza species is discussed. The Afrotropical species of Graptomyza are revised and a key to these species is given. Five species groups are established, each diagnosed separately; the Afrotropical distribution of each group is plotted. Twenty one species are considered, 16 of which are descriptionbed or redescriptionbed; three species remain undescriptionbed pending the availability of further material, while G. hova Keiser, 1971 and G. quadrifaria Szilády, 1942 are treated as incertae sedis. Six new species are descriptionbed (G. amplicavum, G. clarala, G. lutea, G. nigricavum, G. pallidinotata and G. summa). G. liberiae Greene, 1949 is newly synonymised with G. triangulifera (Bigot, 1883). G. mitis Curran & Bryan, 1926 (formerly believed to be African) is Australian and is therefore excluded from the revision. Lectotypes are designated for Graptomyza aurea Bezzi, 1915, G. nigra Bezzi, 1915 and Microdon varius Walker, 1849.

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