Review Date2008-10-03
Change Date2000-06-21
Edition Date2008-10-03
Edition AuthorsRogers, D.C. (2008); Cordeiro, J. (2004)
Range Extent200,000-2,500,000 square km (about 80,000-1,000,000 square miles)
Number of Occurrences> 300
Occurrences CommentsDexter and Sheary (1943) reported it from east central Illinois. Dexter (1953) lists reports from Wisconsin, Illinois, Missouri, Nebraska, Kansas, Oklahoma, and Oregon; with more recent additions in Indiana, Montana, and Washington. This species was collected in 2004 from a pool south of Princeton in Latah County, northern Idaho (Rogers et al., 2006). Hossack et al. (2010) collected this species in western Montana from 51 sites in and around Glacier National Park (particularly common in Lake McDonald, Marias Pass, and Lee Ridge area); in addition to historic records from Beaverhead, Deer Lodge, Lake, Missoula, and Sanders Cos.