503 Cerodontha (Butomomyza) subangulata (Malloch), phallus, ventral, non-type from North Carolina 504–507 C. (B.) subangulata, illustrations from Spencer and Steyskal (1986b) 504 holotype phallus, left lateral 505 holotype phallus, ventral 506 holotype external genitalia 507 male from Cabin John Creek (Maryland), 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