Dorsal (A, D, G), left lateral (B, E, H) and posterior (C, F, I) view of male genitalia of Gasterophilus species A–C G. nigricornis (Loew) D–F G. pecorum (Fabricius) G–I G. ternicinctus Gedoelst. Scale bars: 0.5 mm (A–I).

 
 
  Part of: Li X-Y, Pape T, Zhang D (2019) Taxonomic review of Gasterophilus (Oestridae, Gasterophilinae) of the world, with updated nomenclature, keys, biological notes, and distributions. ZooKeys 891: 119-156. https://doi.org/10.3897/zookeys.891.38560