Supriya Ghosh

Graellsia isabellae

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Kingdom  Animalia
Order  Lepidoptera
Genus  Graellsia Grote, 1896
Higher classification  Graellsia
Phylum  Arthropoda
Family  Saturniidae
Scientific name  Graellsia isabellae
Rank  Species
Graellsia isabellae Graellsia isabellae female by JYM on DeviantArt
Similar  Butterflies and moths, Insect, Actias, Royal moths, Luna Moth

Graellsia isabellae caterpillars spanish moon moth

The Spanish moon moth (Graellsia isabellae) is a moth of the silkmoth family Saturniidae.


Graellsia isabellae fresh and old ones


The moth is native to Spain and France.

Graellsia isabellae Graellsia isabellaemale Daniel Morel Flickr

At the end of April and beginning of May the moth begins to hatch after overwintering in the cocoon. Normally moths from the same line don't copulate, so it is the condition that different lines are in a not too wide range. After copulation the female lays about 100 to 150 eggs on the favoured foodplant, pines. The larva hatch after 1 to 1.5 weeks and begin to eat from the very hard pine needles. It takes about 1.5 month to see the last instar of the caterpillars. In the last instar the caterpillars go down from the tree to pupate under leaves on the ground. In this phase the pupae in the cocoon overwinters until next springtime.

Host plants

Graellsia isabellae Graellsia isabellae

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

Graellsia isabellae tpittawaytripodcomsilkgisaa1jpg


Graellsia isabellae Wikipedia

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