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There are five myrmecophilous species in this genus. Tergites 3 and 4 not fused, strongly overlapping. Tergite 4 in lateral view more or less perpendicular to tergite 2. Basoflagellomere bare; longer than scape.

List of Ceratophya and their Host Ants
Genus and species Author and Year Ant Host Distribution
Ceratophya argentinensis Reemer, 2013 ants Neotropical: Argentina
Ceratophya carinifacies Curran, 1934 ants Neotropical: Brazil, Guyana
Ceratophya notata Wiedemann, 1824 ants Neotropical: Brazil
Ceratophya panamensis Curran, 1930 ants Neotropical: Panama
Ceratophya scolopus Shannon, 1927 ants Neotropical: Amazon


  • Reemer, M. & G. Stahls 2013. Phylogenetic relationships of Microdontinae (Diptera: Syrphidae) based on molecular and morphological characters. Systematic Entomology 38 (4): 661-688.
  • Shannon, R.C. 1927. A review of the South American two-winged flies of the family Syrphidae. Proceedings of the United States National Museum 70(9)[2658], 34 p.