833 Pseudonapomyza atra (Meigen), wing 834–839 P. atra, male genitalia 834 external genitalia, posterior 835 external genitalia, anterior (subepandrial sclerite shaded) 836 external genitalia, left lateral 837 hypandrium and postgonite, ventral 838 hypandrial complex, left lateral 839 phallus, 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