Figure 15 from: 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

Figure 15 Basal sclerotized lobe of internal sac of male Bembidion transversale group members AB. transversale (voucher DNA4219, USA: Oregon: Harney County, Banks of Silver Creek, 1379 m, 43.7278°N, 119.6256°W) BB. erosum (voucher DNA4033, USA: Oregon: Curry Co., Floras Creek at route 124 SE Langlois, 21 m, 42.9132°N, 124.4251°W) CB. corgenoma (voucher DNA2180, USA: California: Sonoma Co., Russian River, 3 mi NE Healdsburg). Scale bar: 0.1 mm.