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The Cretan Festoon Butterfly (Zerynthia (Allancastria) cretica) is an Old
World swallowtail butterfly of the family Papilionidae which is in the genus
Allancastria. This endemic species is found only on the Greek island of Crete
but some authorities consider it to be a subspecies of the Eastern Festoon (Allancastria
cerisyi) and give it the
scientific name (Allancastria cerisyi cretica). Having overwintered as a chrysalis, the butterfly emerges from mid-March. The flight season can extend into early June. Eggs are layed on Birthworts (Aristolochiae).Two species occur on Crete which are also the larval food plants, Dutchman’s Pipe (Aristolochia sempervirens) and Cretan Dutchman’s Pipe (Aristolochia cretica) which is endemic to Crete as well as Karpathos.
Patrick J. O'Keeffe / Raw Birds
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