| strongyloides robustus and the northern sympatric populations of northern (glaucomys sabrinus) and southern (g. volans) flying squirrels. | within north america, northern (glaucomys sabrinus) and southern (glaucomys volans) flying squirrels occupy distinct ranges with limited overlap. sympatry in northern latitudes coincides with northern hardwood vegetation from minnesota to new england. strongyloides robustus is an intestinal parasite that infects both species but appears to be deleterious only to northern flying squirrels. as a result, s. robustus could be a critical determinant of flying squirrel population characteristics in at ... | 2004 | 15465730 |