oa Annals of the Natal Museum - Key to genera of Afrotropical Sciomyzidae (Diptera: Acalyptratae) with new records, synonymies and biological notes

Volume 36, Issue 1
  • ISSN : 0304-0798



An identification key to 12 genera, currently known from the Afrotropical (subsaharan) Region, is presented. This includes 3 recently recorded genera: Ditaeniella Sack (Miller 1991), Hydromya Robineau-Desvoidy and Pteromicra Lioy (Miller 1993 1994). The subgenus Graphomyzina Macquart of Pherbellia Robineau-Desvoidy s. lat. is given generic status. New synonymies are given for Ethiolimnia capensis (Schiner 1868) (= E. geniculata (Loew 1862)) and Sepedon jonesi Barraclough, 1985 (= S. scapularis Adams, 1903). New collection records are given for Salticella stuckenbergi Verbeke, and these flies are reported as scavenging on large agate snails (?Archachatina sp.). Rearings in progress with Ditaeniella sp. indicate a larval preference for the indigenous Bulinus ?tropicus (Krauss); they differ from Sepedon in being less voracious as mature larvae and the first instars preferring to scavenge on dead and dying snails. Unidentified sciomyzid puparia found in the shells of the invasive Grey Snail, Theba pisana (Müller), first reported by Miller (1993 1994), probably belong to Ethiolimnia species. These are the first records of parasitoid sciomyzids feeding on terrestrial snails in the Afrotropica1 Region.

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