Ceratina (Zadontomerus) strenua Smith, 1879

Counties: Houston, Winona.

Comments: Present in southeastern Minnesota, though a male has also been collected further north from directly across the St. Croix River in Polk Co., Wisconsin (ZP, unpublished).

Material examined: Houston Co.: Mound Prairie SNA: 1 ♀ (MNDNR), 19 Jun 2019, D. Drons leg., net, Erigeron sp., det. Z. Portman ; Winona Co.: King’s and Queen’s Bluffs SNA (43.9508, -91.4103): 1 ♁ 1 ♀ (MNDNR), 13 May 2021, N. Gerets leg., net, Lonicera sp, det. Z. Portman.