collected both forms from the same study areas in central New York, although P. m. gracilis was much less abundant and more restricted in its distribution than P. l. noveboracensis. P. m. nubiterrae replaces P. m. gracilis along the Appalachian Mountain chain southward from western New York. Workers in this area have generally reported that P. m. nubiterrae occurs at higher elevations and in cooler, moister habitats than P. l.

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