Clossiana thore

Thor's Fritillary

euroButterflies

by Matt Rowlings

copyright © 2003-2016

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Photo: thore

Piedmont, Italy, July 2012

Photo: thore

Piedmont, Italy, July 2012

Field notes and information

There are two distinct populations in Europe - mountains of Scandinavia and the Alps. Those in the Alps are much duskier than the northern populations.

Identification & Similar species: The underside hindwing has a rather indistinct washed out look. On the whole it has a rather dusky appearance, particularly those from the Alps.

Distribution & Flight: Scandinavia and the Alps. Flight is mid June and July, seasonally dependant in Scandinavia.

Habitat & Behaviour: Damp clearings in woodland. Bogs. Flies low above grassy vegetation. Also on alpine slopes amongst light woodland.

Variation: The apline population thore is much duskier than the Scandinavian borealis.

Photo: thore

Piedmont, Italy, June 2004

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Grisons, Switzerland, July 2013

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Grisons, Switzerland, July 2013

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Piedmont, Italy, July 2012

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Piedmont, Italy, June 2004

Photo: thore

NW Italy, June 2003

Photo: thore

NW Italy, June 2003