Millipeds from the eastern Dakotas and western Minnesota, USA, with an account of Pseudopolydesmus serratus (Say, 1821) (Polydesmida: Polydesmidae); first published records from six states and the District of Columbia Author Shelley, Rowland M. Research Laboratory North Carolina State Museum of Natural Sciences MSC # 1626 Raleigh, NC 27699 - 1626 USA rowland.shelley@ncdenr.gov Author Snyder, Bruce A. Division of Biology Kansas State University Manhattan, KS 66506 - 4901 USA basnyder@ksu.edu text Insecta Mundi 2012 2012-06-15 2012 239 1 17 journal article 55552 10.5281/zenodo.5174370 a09a9368-a47d-4d36-a878-6ba82134ecfb 1942-1354 5174370 Pleuroloma flavipes Rafinesque, 1820 Published Records . Minnesota : Nobles Co ., Worthington ( Shelley 1980 ). North Dakota : North Dakota in general ( Hoffman 1999 ). Eastern North Dakota ( Shelley et al. 2003 ). Cass Co ., stockyard 8 km ( 5 mi ) from Fargo ( Shelley 1980 , Shelley et al. 2003 ). New Records . Minnesota : Clay Co . , Blue Stem Prairie adjacent to Buffalo River State Park ( 46 o 50' 30" N , 96 o 28' 9" W ), M , F , juv. , 23 July 1996 ( NDSU ) . South Dakota : Day Co . , Pickerel Lake State Park ( 45 o 30' 6" N , 97 o 16' 58" W ), in house, 2MM, F, 3 September 1975 , A. Friskep ( NDSU ) . Lincoln Co . , Newton Hills State Park ( 43 o 13' 29" N , 96 o 34' 51" W ), M, 5 juvs., 7 August 2011 , RM Shelley , BA Snyder ( NCSM ) . New State Record for the Species, Genus, Family, and Order. Remarks . Occurrence in Clay County, Minnesota, across the Red River from Cass County, North Dakota, confirms the record from Fargo. The northernmost localities in central North America, they are approximately 224 km ( 140 mi ) south of the International Border, so in Canada , P. flavipes may inhabit southeastern Manitoba as well as Essex County, Ontario ( Shelley 1988 , 2002c ). Shelley et al. (2003) predicted that P. flavipes surely occurs in the eastern periphery of South Dakota, along the Missouri and Big Sioux rivers, and the Lincoln Co. site confirms this prediction. The Day Co. locality is slightly west of I-29 and intermediate between Fargo and Lincoln Co. Published illustrations are available in Shelley (1978 [as Pleuroloma sp. ], 1980 , 1988)