154 Rowland M. Shelley 



about 117 mi (187 km) from the closest site in Ontario, and S. placidus 

 may eventually be discovered in Essex County, as was the rhysodesmine 

 species Pleuroloma flavipes Rafinesque (Shelley 1988). However, in 

 two days of searching in July 1986, including extensive investigations 

 in Point Pelee National Park, I did not encounter it. Specimens were 

 examined as follows: 



MINNESOTA: Rice Co., Northfield, Carleton College, M, F, 

 Fall 1955, P. Jensen (VMNH). Wabasha Co., Goodhue, Lake Pepin, 

 2M, 2F, 25 March 1931, W. J. Gertsch (VMNH). Winona Co., 2 mi 

 (3.2 km) NE Elba, F, 14 October 1973, B. Cutler (UMN); Whitewater 

 St. Pk., M, 12 June 1961, H. W. Levi (MCZ); and Winona, juv., date 

 unknown, Holzinger (NMNH). Houston Co., Houston, M, 25 May 

 1940, C. E. Mickel (UMN). 



WISCONSIN: Pepin Co., Lake Pepin, 2M, 2F, 25 July 1931, W. 

 J. Gertsch (NMNH). Dane Co., Madison, M, 22 February 1914, A. S. 

 Pearse (NMNH); and Bascom Woods nr. Madison, F, 30 September 

 1947, H. W. Levi (MCZ). Ozaukee Co., Mud Lake, 2M, F, 9 April 

 1979, Hildebrandt, Plonczynski (MPM). County Unknown, "Bob's Cabin," 

 2M, 2F, 21 October 1973, P. Riemer (TMM). 



MICHIGAN: Midland Co., Midland, 2M, 25 May 1942 and 7 

 May 1943, R. R. Dreisbach (NMNH). Ingham Co., East Lansing, Sanford 

 Woodlot, M, F, 3 October 1955, collector unknown (FSCA). Washtenaw 

 Co., 5 mi (8.0 km) W Ann Arbor, M, 6 July 1948, G. C. Wheeler 

 (FSCA). Monroe Co., Monroe, 6M, 4F, July 1965, collector unknown 

 (UCD). 



INDIANA: Benton Co., Boswell, M, F, date unknown, Mattier 

 (NMNH). Greene Co., Richland Cr., exact location unknown, 2F, 25 

 March 1952, collector unknown (FSCA). Monroe Co., locality not 

 specified, M, 12 August 1953, B. G. Owen (FSCA); Green's Bluff, 

 exact location unknown, F, 1 November 1953, B. G. Owen (FSCA); 

 along Wylie L., M, 12 July 1953, B. G. Owen (FSCA); and Morgan- 

 Monroe St. For., 2F, 15 April 1952, collector unknown (FSCA). Union 

 Co., Whitewater St. Pk., 2F, 7 August 1953, B. G. Owen (FSCA). 



OHIO: Monroe Co., 1.8 mi (2.9 km) N Rinard Mills, nr. Knowlton 

 Covered Bridge, F, 8 July 1986, D. R. Whitehead (NMNH). 



MARYLAND: Garrett Co., exact location unknown, M, July 

 1907, W. Stone, T. D. Keim, H. W. Fowler (ANSP). 



WEST VIRGINIA: Tucker Co., Lanesville, 5.5 mi (8.8 km) E 

 WV hwy. 32, Monongahela Nat. For., 3M, F, 23 August 1978, R. M. 

 Shelley, C. P. Withrow (NCSM); and Dolly Sods, IIM, IIF, 20 July 

 1986, D. R. Whitehead (NMNH). Randolph Co., 2.1 mi (3.3 km) W 

 Alpena, along US Hwy. 33, 14M, 5F, 23 August 1978, R. M. Shelley, 



