Filming VarWild: Melitaea didyma

Life cycle of butterflies in Provence


The Spotted Fritillary (Melitaea didyma Esper, 1778)

In the South of France the Spotted Fritillary flies in two generations, from April to June and from July to September, and inhabits flowery meadows and sunny grasslands. The female lays eggs under the leaves of differend herbaceous plants from the family Plantaginaceae and Scrophulariaceae. After 15 days, the eggs hatch. When the caterpillars are mature they go in search of a place to pupate. The small caterpillars of the second generation overwinter in dried plant-parts in the vegetation.



Parasitoids

Braconidae: Melitaea didyma parasitized by Cotesia hispanica

The parasitoid wasp Cotesia hispanica (Oltra & Falco, 1996) (Hymenoptera: Ichneumonoidea: Braconidae) parasitizes the caterpillars of the Spotted Fritillary (Melitaea didyma). Up to 40 eggs can be injected by the female into the caterpillars body. When the parasitized caterpillar is mature it will expos itself on a leaf and then larvae will hatch from the host and make white cocoons under it body of het host. In the south of France the Spotted Fritillary has two generations and overwinters as half-grown caterpillar. If an overwintering caterpillar is parasitized by Cotesia hispanica the larvae will overwinter inside the body.

Identified by Dr. Mark R. Shaw


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