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

<div>Dorsal view of a Regal Fritillary nectaring on Butterfly Milkweed (<i>Asclepias tuberosa</i>) in Missouri, USA, showing the submarginal row of orange spots on the hindwing in males (white in females). Photo by Ann B. Swengel.</div>

Scientifica

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Figure 1

Figure 1: 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 1