Blue Duke

Bassarona durga, the blue duke, is a species of nymphalid butterfly found in the Himalayas. Description Euthalia durga resembles Euthalia duda, but is much rarer; on the forewing the white median band is broader, the subapical spots smaller, on the hindwing the median area steeper and distally dentate. Under surface chiefly blue instead of yellowish-green, the distal portion of both wings nearly grey-black.

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Euthalia es un género de mariposas de la familia Nymphalidae (subfamilia Limenitidinae), cuenta con 63 especies reconocidas científicamente. ​ Especies Euthalia aconthea (Cramer, 1777) Euthalia adonia (Cramer, 1780) Euthalia agniformis (Fruhstorfer, 1906) Euthalia agnis (Vollenhoven, 1862) Euthalia alpherakyi (Oberthür, 1907) Euthalia alpheda (Godart, [1824]) Euthalia amanda (Hewitson, 1858) Euthalia anosia (Moore, 1858) Euthalia aristides (Oberthür, 1907) Euthalia bunzoi (Sugiyama, 1996) Euthalia chayuensis Euthalia confucius (Westwood, 1850) Euthalia djta (Distant & Pryer, 1887)…