Status and Trend of Regal Fritillary (<i>Speyeria idalia</i>) (Lepidoptera: Nymphalidae) in the 4th of July Butterfly Count Program in 1977–2014

<div>Ventral view of Regal Fritillaries mating while perched on Pale Purple Coneflower (<i>Echinacea pallida</i>) in Missouri, USA, with female on right (larger and darker in the forewing tip than the male). Photo by Ann B. Swengel.</div>

Scientifica

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Figure 2

Figure 2: Status and Trend of Regal Fritillary (<i>Speyeria idalia</i>) (Lepidoptera: Nymphalidae) in the 4th of July Butterfly Count Program in 1977–2014 

Scientifica

Status and Trend of Regal Fritillary (Speyeria idalia) (Lepidoptera: Nymphalidae) in the 4th of July Butterfly Count Program in 1977–2014

Figure 2