Declines of prairie butterflies in the midwestern USA

Tallgrass prairie butterfly surveys in recent decades in four states in the USA indicate numerous declines of prairie-specialist butterflies including Speyeria idalia, Oarisma poweshiek, Atrytone arogos, Hesperia dacotae, and H. ottoe in fire-managed preserves, including large high-quality ones.

Scott R. Swengel • Dennis Schlicht • Frank Olsen • Ann B. Swengel
J Insect Conserv (2011) 15:327–339