Measuring Intraspecific Variation in Flight-Related Morphology of Monarch Butterflies (<i>Danaus plexippus</i>): Which Sex Has the Best Flying Gear?

<div>Relationship between forewing surface area and mass for monarch butterflies in this study. Note that female monarch wings tend to be heavier than males for their size, indicating greater relative wing thickness.</div>

Journal of Insects

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Figure 2

Figure 2: Measuring Intraspecific Variation in Flight-Related Morphology of Monarch Butterflies (<i>Danaus plexippus</i>): Which Sex Has the Best Flying Gear? 

Figure 2 | Measuring Intraspecific Variation in Flight-Related Morphology of Monarch Butterflies (Danaus plexippus): Which Sex Has the Best Flying Gear? 