Antennae of B. transversale subgroup A B. transversale (voucher V101457, Canada: Ontario: Thunder Bay Dist., Rossport) B B. erosum (voucher V101456, USA: California: Del Norte Co., Wilson Creek, 3 m, 41.6051°N, 124.1005°W) C B. corgenoma (voucher V101455, USA: Oregon: Coos Co., Crooked Creek S of Bandon, 43.0814°N, 124.4335°W). Scale bar 0.1 mm.

 
 
  Part of: Maddison DR (2020) Shards, sequences, and shorelines: two new species of Bembidion from North America (Coleoptera, Carabidae). ZooKeys 1007: 85-128. https://doi.org/10.3897/zookeys.1007.60012