Allancastria cerisyi, the eastern festoon, is an Old World papilionid butterfly whose geographical range extends from the Balkans to include Turkey and the near Middle East. It exhibits several geographical variants. It is named for Alexandre Louis Lefèbvre de Cérisy. The wingspan is 52–62 mm. The butterfly flies from March to July depending on the location. The larvae feed on various Aristolochia species. \n* Male \n* Male, bottom \n* Female \n* Female, bottom