Revision of Trechus 
37 
cumberlandus Barr — Cumberland plateau from Rockcastle County, Ken- 
tucky, southwest to Grundy County, Tennessee (widespread taxon) 
mitchellensis Barr — Black Mountains, Yancey, Buncombe, and 
McDowell counties, North Carolina 
carolinae Schaeffer — Black Mountains, Yancey County, North Carolina 
roanicus Barr — Roan Mountain, Carter County, Tennessee, and Mitchell 
County, North Carolina. 
Figs. 1-5. Pronota of Trechus species, hydropicus group: 1. T. hydropicus hydropicus (Horn), 
Mountain Lake, Virginia. 2. T. roanicus Barr, Roan Mountain, Tennessee. 3. T. schwarzi 
schwarzi Jeannel, Mt. Pisgah, North Carolina. 4. T. schwarzi scopulosus, new subspecies, 
Craggy Dome, North Carolina. 5. T. schwarzi saiudae, new subspecies, Melrose, North 
Carolina. 
Subgenus Microtrechus Jeannel 
vandykei group 
vandykei vandykei (Jeannel) — Black, Great Craggy, and Bald mountains, 
North Carolina and Tennessee (widespread taxon) 
vandykei pisgahensis , new subspecies — Great Balsam and Cowee moun- 
tains, Buncombe, Haywood, Jackson, and Transylvania counties, 
North Carolina 
haoe, new species — Unicoi Mountains, Graham County, North Carolina 
tusquitee , new species — Tusquitee/Valley River, Snowbird, and Cheoah 
mountains, Cherokee, Clay, Graham, Macon, and Swain counties, 
North Carolina 
