Boloria thore
Alpine Fritillary ( Boloria Thore )
The Alpine Fritillary ( Boloria Thore ) or mountain forest Fritillary is a butterfly ( butterfly ) of the family Nymphalidae ( Nymphalidae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Butterfly
The upper wing of the butterfly, which have a wingspan of about 28 to 34 millimeters, light brown to orange - brown in color generally and, traversed by a drawing that consists of coarse, black, partially intermeshing fused points and lines. This is particularly pronounced near the Submarginalregion of the hind wings. Also characteristic is the rust colored hindwing underside, which is interrupted by a few irregular yellowish drawing elements.
Egg, caterpillar
The yellow-white egg is provided with longitudinal ribs 19. The caterpillars are colored black brown, have large yellowish blotches on the sides. Well as short dark gray bristles
Similar Species
The Alpine Fritillary resembles in particular the following two ways:
- Similar Fritillary ( Boloria napaea ). The upper wing surface of males in this type, however, dyed bright orange-brown, while in the basic color altogether darker females show a less extensive and finer drawing.
- Meadowsweet Fritillary ( Brenthis ino ). Their butterfly resemble only the northern European specimens of thore, but are total luminous orange-brown colored and marked fine.
The hindwing underside of thore looks like more or less the species raised bog fritillary ( Boloria aquilonaris ), snake root Fritillary ( Boloria titania ), Magerrasen Fritillary ( Boloria dia), alpine meadows Fritillary ( Boloria pales ) and Boloria graeca. However, all these aforementioned species have a less pronounced dark markings on the front upper wing surface.
Distribution and habitat
The species occurs in Fennoscandia, ( north of the 62nd parallel ), the Alps and North Asia and Japan. It is mainly in high altitude 800-1800 meters in moist mixed deciduous forests and valleys and stream banks.
Way of life
The moths live in a generation from late June to August. They fly preferably in shady or semi- shady places and like to take food from various flowers, such as alpine ragwort ( Senecio alpinus ), forest scabious ( knautia dipsacifolia ) or marsh thistle ( Cirsium palustre ) on. The caterpillars live on low plants, but prefer violet species ( Viola ) and winter usually twice. You can also be grown easily with pansy ( Viola tricolor).
Endangering
The species occurs in Germany in the Bavarian Alps and the Alps, where it is on the red list of endangered species in category 3 ( endangered) classified. There is also an occurrence in the extreme southeastern tip of Baden-Württemberg, where she leads the state R (Style with geographical restriction ).