Euploea rogeri (Geyer, 1837)

Roger's monarch butterfly, Roger's crow



Taxonomy & Nomenclature

Synonym/s: Crastia rogeri Geyer, 1837 (original combination)


This species may be a synonym of the Seychellois endemic Euploea mitra (Legrand, 1965), or a subspecies of Euploea euphon (Lawrence, 2009).


Conservation Status

Extinct or invalid

Last record: c.1820 (Gerlach & Matyot, 2006)


The reason/s for its extinction are unknown. As it is so little known, there being no extant specimens in museums or private collections as far as is known, over collection can therefore be ruled out. However, it might actually be a synonym of the Seychellois endemic Euploea mitra (Legrand, 1965).



Unknown, but proposed as the Seychelles by (De Joannis, 1894).


Biology & Ecology




This taxon is only known from two paintings (Lawrence, 2009). One specimen (female) was collected about 1820 but has since been lost (source).






Original scientific description:

Geyer, Carl. (1837). [description of Crastia Rogeri], pp. 36, pl. [163] (1834-1836), f. 947-948. In: Hübner, Jacob. Zuträge zur Sammlung exotischer Schmettleringe... 5: 1-52. Augsburg.


Other references:

Ackery, P. R. and Vane-Wright, R. I. (1984). Milkweed Butterflies. British Musem (Natural History), London.

Aurivillius, C. (1925). In: Seitz, A., The Macrolepidoptera of the World, Vol XIII.  Stuttgart.

Boisduval. (1833). Faune Entomologique de Madagascar, Bourbon et Maurice; 56 Lepidopteres. Paris.

Bowler, J. (2006). Wildlife of Seychelles. WildGuide, U.K.

D’Abrera, B. (1980). Butterflies of the Afrotropical Region. Lansdowne, Melbourne.

De Joannis, J. 1894. Trois macrolépidoptèrologique nouveaux des îles Seychelles. B. Soc. Entomol. Fr. 63: 425-438.

Desegaulx de Nolet, A. (1984). Lepidopteres de l’ Ocean Indien. Agence de Cooperation Culturelle et Technique, France.

Gerlach, J. and Matyot, P. (2006). Lepidoptera of the Seychelles Islands. Blackhuys Publishers, Leiden, The Netherlands.

Henning, Graham. (2015). Lepidoptera conservation in South Africa - part 2. Babbel Blues 3: 18-23.

Hübner, J. (1837). Zutrage zur Sammlung Exotischer Schmettlinge 5. Augsburg, Germany.

Lawrence, James M. (2009). Euploea rogeri (Lepidoptera: Danainae), a little known Seychelles butterfly. Phelsuma 17: 53-56.

Lawrence, James M. (2015). A short note on the biogeography of the rarely observed Seychelles butterflies. Phelsuma 23: 1-5.

Legrand, H. (1965). Lépidoptères des îles Seychelles et d’ Aldabra. Mém. Mus. Nat. D’Hist. Nat., Paris A 37: 1-210.

Martire, D. and Rochet, J. (2008). Les Papillons de la Reunion et Leurs Chenilles. Biotope. France.

Peters, W. (1952). A Provisional Checklist of the Butterflies of the Ethiopian Region. Feltham, Middlesex.

Talbot, G. (1943). Notes on the genus Euploea Fabr. (Lepid. Danaidae). Proc. R. Ent. Soc. Lond. (B) 12(1): 6-16.

Williams, J. R. (2007). Butterflies of Mauritius. Bioculture Press, Mauritius.


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