Literature

• Butterflies of America 2018. Butterflies of America. [link]
• Hill, A. 2012. Butterflies and Moths in the West Indies of the Caribbean. Focus on Nature Tours.

Literature references linked to higher taxa

• Catalogue of Life. Species 2000 & ITIS. [link] (Papilionoidea)
• Cock, M.J.W. 2014. An updated and annotated checklist of the Hedylidae and Hesperiidae (Lepidoptera) of Trinidad, West Indies. Insecta Mundi 393: 1-40. (Pyrrhopygopsis)
• Debrot, A.O. & Miller, J.Y. 2004. Butterflies and moths of Curaçao, Aruba and Bonaire. 1-100. CARMABI Foundation, Willemstad. (Pyrrhopygopsis socrates)
• Debrot, A.O., Miller, J.Y., Miller, J.D., Leysner, B.T. 1999. The Butterfly fauna of Curaçao, West Indies: 1996 Status and Long-term species turnover. Caribbean Journal of Science 35: 184-194. (Pyrrhopygopsis socrates)
• Maddison, D. (ed.). Tree of Life web project. [link] (Hesperiidae)