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Balder's Arctic - Oeneis balderi
[Balder's Arctic image]
Balder's Arctic - Apple River, NS - 2010-05-25
Photo © Kathleen F. Spicer
Status in Nova Scotia
Rare and very local. The "General Status Ranks of Wild Species in Nova Scotia" list this species' status as Red: At risk or maybe at risk. There are historical records from Mount Uniacke and Cape Breton; recent records are from Cumberland, Guysborough and Richmond counties.

Flight Period
Mid-May to late June.

Habitat
Tamarack and Black Spruce bogs.

Larval Foodplants
Sedges such as Cotton-grass (Eriophorum sp.), and Carex.

Similar Species in Nova Scotia
None.

Notes
This species has a two-year life-cycle: the larva passes its first winter as a first or second instar, and its second winter as a fourth or fifth instar.

It has been found in successive years in a Guysborough County bog (2011 and 2012), so these might almost be considered two independent populations of one species living in the same place at the same time.

This species was recently split from the Jutta Arctic, Oeneis jutta. The Jutta Arctic is now considered to be the Eurasian population while Balder's Arctic is the North American species.

Balder's Arctic - New Scotland Bog, NB, 2010-06-04
Balder's Arctic - New Scotland Bog, NB - 2010-06-04
2010-06-04
Photo © Jim Edsall