Phytomyza chelonei Spencer, male genitalia 754 hypandrium and postgonite, ventral 755 hypandrial complex, left lateral 756 phallus, ventral 757–759 P. osmorhizae Spencer, male genitalia 757 hypandrial complex, left lateral 758 phallus, ventral 759 hypandrium and postgonite, ventral.

 
 
  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