support a high density of their larval host plant: various species of buckwheat (Eriogonum). Since A. mormo is singularly dependent on Eriogonum during the larval stage, its presence is the most stable predictor of habitat. Dunes, sloping hillsides, grasslands and gravelly deserts have all been observed as viable environments for A. mormo habitats, indicating the species’ broad adaptability. Wick investigated microhabitat characteristics associated with A. mormo inhabitance, and found “host plant habitat[s] with lower elevation, a southerly to southwesterly aspect, lower available soil nitrogen, a steeper slope, higher % bare ground, and higher soil pH” were most often correlated with presence of A. mormo. The exact variety of buckwheat which functions as the larval host plant changes with the population being studied. E. paucifllorum, commonly known as the branched umbrella plant, is closely associated with the Saskatchewan population. In British Columbia, Eriogonum niveum functions as the larval host plant, while in the population of A. m. langei, Eriogonum nudum serves as the primary host and food source. A. mormo colonies have additionally been correlated with the presence of several other plants. In the Saskatchewan population, presence of Ericamerica nauseosa (rabbitbrush) is a good predictor of A. mormo presence, and functions as a secondary nectar source. Furthermore, Wick investigated the possibility of complex dependencies with other observed habitat plants, including “creeping juniper, yellow umbrella plant, saltbush, prickly pear cactus, Colorado rubberweed, yellow sweet clover, wild rose and sage”. Some level of human interaction with A. mormo habitats is thought to be crucial for their success. In the Canadian populations, specifically, human railway traffic through habitat corridors provides frequent disturbances to the soil, nurturing the growth of their larval host plant. To similar effect, steep and unstable slopes prone to frequent erosion provide appropriate conditions for host plant prosperity. A. mormo are rarely found on undisturbed flats. Food resources Caterpillars In general, species of Eriogonum serve as larval host plants for A. mormo. In the Saskatchewan population, Eriogonum niveum, or snow buckwheat, functions as the primary host plant and food resource. In the British Columbia population, the branched umbrella plant Eriogonum pauciflorum solely fulfills this role. These species flourish with adequate soil disturbances, thus only those on rocky hillsides tend to bloom and attract A. mormo. Adults Eriogonum pauciflorum doubles as the primary nectar source for adult Mormon Metalmarks; however, rabbitbrush (Ericameria nauseosus) is often used as a secondary nectar source. A.