Psyche: A Journal of Entomology / 2009 / Article / Fig 2

Research Article

Wing Color of Monarch Butterflies (Danaus plexippus) in Eastern North America across Life Stages: Migrants Are “Redder” than Breeding and Overwintering Stages

Figure 2

Frequency distribution of wing color (hue score, measured in degrees) observed among all migrating ( ) and nonmigrating ( ) monarchs. Colored scale included which shows the hue scores of each category.