Recovery Strategies

Recovery Strategy for the Mormon Metalmark (Apodemia mormo) Prairie Population, in Canada

Although information is limited, it appears that in Saskatchewan Mormon metalmarks typically occur on hillsides, slopes, or embankments on barren clay or heavy clay soil where its host plant, the branched umbrella plant (Eriogonum pauciflorum) occurs. In general, the literature suggests that this butterfly is associated with unstable slopes where the natural erosion of the sand or gravel substrate provides habitat for the host plant. Adult metalmarks require mature, robust branched umbrella plants for oviposition and both the flowering branched umbrella plant and the rubber rabbitbrush (Ericameria nauseosa) for foraging. Mormon metalmark larvae utilise the branched umbrella plant for feeding and require the woody stems or underlying leaf litter for hibernation. The size of the Prairie population has yet to be determined, but is speculated to be larger than the Southern Mountain population. It is not known whether or not this population is isolated from populations in northern Montana.

Consultation period: 2007-09-25 to 2007-11-24

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Shelley Pruss
Western and Northern Service Centre
Parks Canada
Suite 1550, 13th Floor
635 - 8 Ave., S.W.
Calgary, AB
T2P 3M3
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