Euthalia franciae

French duke
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Euthalia
Species:	E. franciae
Binomial name
	Euthalia franciae; (Gray, 1846)
Synonyms
	Adolias franciaeGray, 1846; Bassarona franciae;

Last updated December 30, 2025

Euthalia franciae, the French duke, is a species of nymphalid butterfly found in the Indomalayan realm. Characteristic of the under surface is the delicate blue-green, bronze-like ground-colour which is richly suffused with silver-grey, and on the hindwings adorned with stripes of pale lilac, especially in specimens of the dry-season. The forewing underside with a large quadrate black spot at the anal angle, longitudinal band broad and clearer white.^[3]

Subspecies

Euthalia franciae franciae (Nepal, Sikkim, Bhutan)
Euthalia franciae attenuata(Tytler) (Upper Burma)
Euthalia franciae raja(C. & R. Felder, 1859) (Assam, Yunnan)^[4]

References

↑ Gray, G.R. 1846 Descriptions and Figures of some new Lepidopterous Insects chiefly from Nepal 1-16, pl. 1-14
↑ Seitz, A., 1912–1927. Die Indo-Australien Tagfalter. Grossschmetterlinge Erde9
↑ Seitz, A., 1912-1927. Die Indo-Australien Tagfalter. Theclinae, Poritiinae, Hesperiidae. Grossschmetterlinge Erde 9: 799-1107, pls. 138-175. This article incorporates text from this source, which is in the public domain .
↑ "Euthalia Hübner, [1819]" at Markku Savela's Lepidoptera and Some Other Life Forms

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[1] Gray, G.R. 1846 Descriptions and Figures of some new Lepidopterous Insects chiefly from Nepal 1-16, pl. 1-14

[2] Seitz, A., 1912–1927. Die Indo-Australien Tagfalter. Grossschmetterlinge Erde9

[3] Seitz, A., 1912-1927. Die Indo-Australien Tagfalter. Theclinae, Poritiinae, Hesperiidae. Grossschmetterlinge Erde 9: 799-1107, pls. 138-175. This article incorporates text from this source, which is in the public domain .

[4] "Euthalia Hübner, [1819]" at Markku Savela's Lepidoptera and Some Other Life Forms

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