Adult light brown apple moths, Epiphyas postvittana. Males have a costal fold on their front wing, while females do not. Female moths are more uniform in color than males, and have a distinct spot in the center of their wings toward the head.

Male light brown apple moth showing costal fold on its front wing. Female moths with a distinct spot in the center of its wings toward the head. Credit: Jack Kelly Clark — Adult light brown apple moths, Epiphyas postvittana. Males have a costal fold on their front wing, while females do not. Female moths are more uniform in color than males, and have a distinct spot in the center of their wings toward the head. Credit: Jack Kelly Clark