Zerynthia polyxena

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Southern festoon
DianeJLH.jpg
Dorsal view
Southern Festoon in Vienna.jpg
Lateral view
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Papilionidae
Genus: Zerynthia
Species:
Z. polyxena
Binomial name
Zerynthia polyxena
Synonyms
  • Papilio cassandraGeyer, 1828 [1]
  • Papilio creusaMeigen, 1829
  • Papilio hypermnestraScopoli, 1763
  • Papilio hypsipyleSchulze, 1776
  • Papilio hypsipyle Fabricus, 1777
  • Zerynthia polyxenaD., 1775
  • Zerynthia polyxena polyxena

Zerynthia polyxena, the southern festoon, is a butterfly belonging to the butterfly family Papilionidae.

Contents

Description

Dorsal view Papilionidae - Zerynthia polyxena.JPG
Dorsal view

The southern festoon can reach a wingspan of 46–52 mm. The females have slightly longer wings, usually lighter colored than males. The basic color of the wings is yellow, with a complicated pattern of several black bands and spots.

On the edges of the hindwings they have a black sinuous line with a series of blue and red warning spots to deter potential predators (aposematism). The body is dark brown and bears red patches on the sides of the abdomen.

This species is rather similar to, and can be confused only with, the Spanish festoon (Z. rumina). The differences are in the presence of blue on the hind wings of Z. polyxena and the relatively lower amount of red on its forewings compared with Z. rumina. The ranges of these two species overlap only in southeast France.

The caterpillars of Z. polyxena are up to 35 millimeters long. They are initially black, then they are yellowish with six rows of fleshy orange and black spikes all over the body.

Description in Seitz

T. polyxena Schiff. & Den. (= hypermnestra Scop.hypsipyle Fabr.). Light yellow, with spots and dentate lines , the hindwing bearing red submarginal spots. South Europe , from Southern France to the Black Sea, and Asia Minor. — In ab. rumina Esp.). the black costal spots of the forewing bear red centres, also on the upperside, while usually such red dots are found only in some places of the underside. This form is not rare in some localities, for instance in the West of the Balcan Peninsula. — Specimens in which the black colour is extended are known as ab. cassandra Hb. (= demnosia Frr., creusa Meig.) (9f); the proportional extent of black is, however, individually very variable. Such melanotic specimens occur everywhere singly as aberrations, but are found as the only form in some localities, for instance Dalmatia. — ab. ochracea Stgr. (=polymnia Mill.) (9f) is the name of individuals in which the light yellow colour is replaced by a magnificent dark yellow. Also this form occurs everywhere among the ordinary form, but is in certain places especially plentiful. — ab. meta Meig. (= flavomaculata Schilde, rufescens Oberth., rumina, alba Esp) (9f), however, is everywhere a rare aberration, the red colour of the purple spots being replaced by dark yellow. — In ab. bella Neub. the third costal spot is reduced. — The full-grown larva reddish yellow r black-brown, with pointed setiferous tubercles; in May and June on Aristolochia, especially in moist and warm localities. The statement that the larva feeds also on Quercus ilex is doubtless occasioned by an error of identification. The pupa is very slender, being yellowish grey, marked with brown. [2]


Mounted specimen Zerynthia.polyxena.mounted.jpg
Mounted specimen
Illustration Zerynthia polyxena - Sudlicher Osterluzeifalter.jpg
Illustration

Distribution

Habitat of Z. polyxena, Regional Park of Capanne di Marcarolo (Piedmont), about 900 m. above sea level Zerynthia polyxena - Habitat.JPG
Habitat of Z. polyxena, Regional Park of Capanne di Marcarolo (Piedmont), about 900 m. above sea level

Z. polyxena is widespread in the middle and southern Europe (southeastern France, Italy, Slovakia and Greece) covering all the Balkans and reaching the south of Kazakhstan and the Urals. Although they are widespread they occur only locally. [3] [4] [ clarification needed ]

Habitat

These rare butterflies can be found in warm, sunny and open places such as grassy herb-rich meadows, vineyards, river banks, wetlands, cultivated areas, brushy places, wasteland, rocky cliffs and karst terrains, at an elevation of from 0 to 1,700 metres above sea level but usually below 900 metres.


Biology

It is an early spring butterfly. Adults fly from April to June in a single brood. The adults are active for no more than three weeks. The females lay their eggs singly or in small groups at the bottom of the host plants. When found in the wild they prefer to live and lay their eggs in densely vegetated areas, and there is a positive correlation between number of leaves on the host plant and number of eggs laid by females. [5] The eggs are spherical and whitish at first, bluish colored before hatching. The caterpillars feed on birthworts (mainly ( Aristolochia clematitis , Aristolochia rotunda , Aristolochia pistolochia , Aristolochia pallida ). [6] The special food of the larvae provides the toxic substances which then also go to the adults, making them unpalatable. The young caterpillars feed at first on flowers and young shoots, while after the second molt they feed on leaves. The pupae stay linked to a support by a silk belt for wintering and the new adults hatch the next spring.

Life cycle of Zerynthia polyxena

Subspecies and forms

Under the rules of the International Code of Zoological Nomenclature, Article 1.3.4, names used only below the rank of subspecies do not enter into consideration in zoological nomenclature; infrasubspecific names do not have formally recognized authorship, and do not compete for priority or homonymy with names used for species or subspecies. Accordingly, all of the names used for "forms" of Z. polyxena listed below must be disregarded as having no nomenclatural standing whatsoever, even though many are presented with authors and dates. [7]

Subspecies and forms include: [1] [4]

Related Research Articles

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<i>Aristolochia</i> Genus of plants in the family Aristolochiaceae

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<i>Zerynthia</i> Genus of butterflies

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<i>Zerynthia rumina</i> Species of butterfly

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<i>Parnassius phoebus</i> Species of butterfly

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References

  1. 1 2 Funet.fi
  2. Seitz. A. in Seitz, A. ed. Band 1: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter, 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 Figuren)PD-icon.svg This article incorporates text from this source, which is in the public domain .
  3. Fauna Europaea
  4. 1 2 Tree of Life
  5. BATÁRY, P.; ÖRVÖSSY, N.; KŐRÖSI, Á.; PEREGOVITS, L. (November 21, 2008). "EGG DISTRIBUTION OF THE SOUTHERN FESTOON (ZERYNTHIA POLYXENA) (LEPIDOPTERA, PAPILIONIDAE)". Acta Zoologica Academiae Scientiarum Hungaricae. Retrieved March 20, 2023.{{cite web}}: CS1 maint: date and year (link)
  6. Paolo Mazzei, Daniel Morel, Raniero Panfili Moths and Butterflies of Europe and North Africa
  7. ICZN Code: see Article 1.3.4 in Chapter 1

Bibliography