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Graellsia isabellae, the Spanish moon moth, is in the silkmoth family Saturniidae. It is the only species in the monotypic genus Graellsia. The species was first described by Mariano de la Paz Graells y de la Agüera in 1849 and the genus was erected by Augustus Radcliffe Grote in 1896.

Graellsia isabellae
Female
Conservation status
Data Deficient  (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Saturniidae
Tribe:	Saturniini
Genus:	Graellsia Grote, 1896
Species:	G. isabellae
Binomial name
Graellsia isabellae (Graells, 1849)
Distribution of G. isabellae in western Europe
Synonyms
Graellsia isabellae paradisea Marten, 1955 Graellsia isabellae roncalensis Gómez Bustillo & Fernández Rubio, 1974 Attacus isabellae Saturnia isabellae Graëlls, 1849 Actias isabellae (Graëlls, 1849)

Range

The moth is native to Spain and France.

At the end of April and beginning of May the moth begins to hatch after overwintering in the cocoon. Normally moths from the same parental line won't copulate, so it is necessary to take account of this when the moth is bred in captivity. After copulation the female lays about 100 to 150 eggs on the favoured food plant, pines. The larva hatch after 1 to 1+1⁄2 weeks and begin to eat the very hard pine needles. It takes about one and a half months for the caterpillars to reach the last instar. In the last instar the caterpillars go down from the tree to pupate under leaves on the ground. In this stage the pupae in the cocoon overwinter until the next spring.

Host plants

The caterpillar primarily eats the needles of pine trees (genus Pinus). It appears to have difficulty adopting to non-native pine species as a host even within the genus Pinus.

Life cycle

• 
  1st instar
• 
  2nd instar
• 
  3rd instar
• 
  4th instar
• 
  5th instar

• 
  Male - dorsal side
• 
  Male - ventral side
• 
  Female - dorsal side
• 
  Female - ventral side

Hybrid

Graellsia isabellae × Actias selene is a hybrid of the Spanish moon moth and the Indian moon moth (Actias selene).[1][2]

References

• World Conservation Monitoring Centre 1996. Graellsia isabelae. 2006 IUCN Red List of Threatened Species. Retrieved 31 July 2007.

External links

• "Actias isabellae (Graells, 1849)". Moths and Butterflies of Europe and North Africa.
• Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Graellsia isabellae". The Global Lepidoptera Names Index. Natural History Museum. Retrieved April 20, 2018.
• "06791 Actias isabellae (Graells, 1849) - Isabellaspinner". Lepiforum e.V.

На других языках

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- [en] Graellsia isabellae

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[es] Graellsia isabellae

La mariposa isabelina (Graellsia isabellae)[2] es una especie de lepidóptero ditrisio de la familia Saturniidae, una de las más vistosas de la fauna europea, con una envergadura que va desde 45 mm hasta 10 cm. Con anterioridad se denominaba Actias isabellae.[3] Es la única especie del género Graellsia.

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[it] Graellsia isabellae

La farfalla luna spagnola (Graellsia isabellae (Graëlls, 1849))[2], talvolta indicata anche semplicemente come isabella, è un lepidottero appartenente alla famiglia Saturniidae, diffuso nell'Europa sud-occidentale. È l'unico rappresentante attualmente riconosciuto del genere Graellsia Grote, 1896.[3][4][5][6][7]

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[ru] Павлиноглазка Изабелла

Павлиноглазка Изабелла[2] (Graellsia isabellae) — крупная бабочка из семейства Павлиноглазки. Единственный представитель монотипического рода Graellsia. Эндемик Европы.

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