Anterior (A, D, G), left lateral (B, E, H) and posterior view (C, F, I) of male terminalia of Gasterophilus species, modified from Li et al. (2019) A–C G. flavipes (Olivier) D–F G. haemorrhoidalis (Linnaeus) G–I G. inermis (Brauer). Scale bars: 0.5 mm (A–I). The dotted line in C and F indicates the sagittal plane. Abbreviations: cer, cercus; ph, phallus; pog, postgonite; pr l, processi longi; sur, sustylus.

 
 
  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