Wing detail labeled to show the costa, subcostal vein, branches of the radius wing vein, median wing vein, and cubital wing vein as well as the anal wing vein.
Attribution:
Butterfly illustration from Scudder, Samuel. "The Butterflies of the Eastern United States and Canada with Special Reference to New England" (1889), plate 43; annotations and panel design by Jenny Leijonhufvud (Cornell University Library)