| County | Notes |
County | Notes |
| Beltrami | summer-1980 | Nicollet | 20-May-1925 (Roberts) |
| Clay | Oct-1926 (Roberts) | Nobles | 12-Apr-1971 |
| Cook | Aug-1953 | Olmsted | 3-Oct-2019, 18-Sep-2022 |
| Cottonwood | winter-1959-1960, 1-Dec-1960 | Otter Tail | 16-Sep-1925, winter-1925-1926, 1-Dec-1927, 9-11-Jan-1929 |
| Dakota | 4-Jul-1960, 13-Jul-11-Sep-1990, spring-1991, 20-Aug-1991 | Polk | 20-Aug-1986 |
| Dodge | 9-11-May-1960, 28-29-Apr-1962 | Ramsey | 22-Jan-1940, 20-Jan-2006 |
| Douglas | 16-Oct-1927 | Redwood | 15-Jun-1912, Dec-1912 (Roberts) |
| Faribault | 9-Oct-1917, 16-Apr-2018 | Rice | summer-1891, Oct-1940, 14-15-Mar-1978, 7-Jul-2017 |
| Fillmore | Apr-1995 (specimen) | Rock | 23-Sep-1973 |
| Freeborn | 14-Jun-1961, 1-Jun-2022 | Roseau | 4-Oct-1928 |
| Goodhue | Dec-1931, 15-Jun-1970 | Scott | 1-Oct-1928, winter-1928-1929, 22-Dec-1929 |
| Grant | 6-May-1929 | St. Louis | 12-Feb-1960, 1-31-Jan-1984, 1-Jun-1984, 11, 12-Jan-2020 |
| Hennepin | 1-Aug, 1-31-Oct-1895, 8-Aug-1916, 29-May-1921, 14-Oct-1922, 1-31-Aug-1928, 2-Dec-1955, 23-Apr-1964, 19-Sep-1965, 11-May-1984, 16-Apr-2020 | Steele | 29-Oct-1960 |
| Houston | 1-Apr-2017, 18-Mar, 21-May-2018, 1-Aug-2018, 7-Oct-2019, 18-Dec-2021, 18-Jan-2022, 1-3-Apr-2022, 5, 10-Apr, 4, 10-May-2022, 4-Aug-2022 | Wabasha | 26-Mar-1980, 13-Mar, 21-Apr, 2, 19, 22, 28-May-2022 |
| Hubbard | 28-Jul-1944 | Waseca | 28-May-1950 |
| Lac qui Parle | 12-Sep-1933 | Watonwan | 30-May-1960 |
| Martin | year-1910, summer-1923, 6-May-1924, 6-May-1963, 1, 7, 21-Sep, 9-Nov-1963 | Winona | 20-Mar-1975, 6-May-2022 |
| Meeker | 28-Mar-1928 (Roberts) | Wright | 1-Mar-2-Sept-1931 |
| Murray | 20-Oct-1975, 29-30-Jun-1921 | | |
|
Reported
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