Ophiomyia ultima (Spencer), male holotype genitalia 405 ejaculatory apodeme 406 phallus, ventral 407–410 O. ultima, Ontario non-type male 407 external genitalia, ventral 408 external genitalia, left lateral 409 phallus, ventral 410 phallus, left lateral.

 
 
  Part of: Lonsdale O (2021) Manual of North American Agromyzidae (Diptera, Schizophora), with revision of the fauna of the “Delmarva” states. ZooKeys 1051: 1-481. https://doi.org/10.3897/zookeys.1051.64603