Head: Shiny, pale yellowish. Nose cone (palpi) small, 3rd joint upturned, slightly brownish. Large eyes.
Antenna: Long, reaching to mid wing, pale brownish-yellow. Scape white. Base half of segments slightly thickened on male, tips somewhat striped or annulated.
Wings: Forewing base and outer edge (costa) yellow. Large dark patch covers central area, with 2 white lines across the wing. The first line (AM antemedial) is wavy. The second line (PM postmedial) is more rounded, following the border of the dark patch, then extends inward through the patch, then turns upward at anal angle, ending just below the AM line. Hind wing is pale, with a brown shading outlined by a white line.
Legs: Shiny. Front legs white with yellow tips. Mid and hind legs white.
Abdomen: Pale yellow.
Similar Species: Almost identical to Black-patched Glaphyria fulminalis which is a paler yellow-white and has second white line (PM postmedial) on forewing stop at inner margin and does not extend upward to near AM line.
Size: 7 to 8 mm long.
Habitat: Carolinian forests.
Food: Unknown. Tropical Glaphyria feed on plants in the Spurge (Euphorbia) and Aster families.
Flight Time: July in s. w. Ontario.
Life Cycle: Unknown
Comments: The Annotated Checklist of the Moths and Butterflies (Lepidoptera) of Canada and Alaska, 2018 by Pohl et al. records Glaphyria cappsi from one specimen found in Sudbury, ON.
Essex County – Wheatley photos July 10, 2011.
For information on synonyms, references and type specimens see next page