https://www.semanticscholar.org/topic/Speyeria-idalia/2853307
Speyeria idalia | Semantic Scholar
speyeria idaliasemanticscholar
https://www.usgs.gov/publications/regal-fritillary-speyeria-idalia-sex-ratio-tallgrass-prairie-effects-survey-timing-and
Regal fritillary (Speyeria idalia) sex ratio in tallgrass prairie: Effects of survey timing and...
The regal fritillary, Speyeria idalia (Drury), was once a common inhabitant of North American grassland communities. Regal fritillary populations are commonly...