36 
Thomas C. Barr, Jr. 
Elytra usually with 4 well impressed striae, stria (4 and) 5 obsolescent 
trace; aedeagus (Fig. 36) much thicker, apex briefly produced, twisted 
to left, deflexed, feebly knobbed; parameres shorter, broader, 
non-styliform; with oblique apexes bearing 3-4 setae; central Great 
Smoky Mountains, North Carolina-Tennessee . . valentinei , new species 
35(27). Sides of pronotum distinctly sinuate before right or acute hind angles 
(Figs. 13, 14, 15) ( luculentus ) 36 
Sides of pronotum very feebly and briefly sinuate before obtuse hind 
angles 38 
36(35). Apical recurrent groove long, joining 5th stria well in advance of anterior 
apical puncture; pronotum as in Figs. 14, 15; elytra with inner 3 striae 
deeply impressed, inner 3 intervals convex 37 
Apical recurrent groove short, joining 5th stria at level of anterior 
apical puncture; pronotum as in Fig. 13; elytra with 4 inner striae 
moderately impressed, 4 intervals subconvex; central Great Smoky 
Mountains, North Carolina-Tennessee luculentus luculentus Barr 
37(36). Aedeagus 0.95-1.04 mm long; outer striae feeble but discernible; Unicoi 
Mountains, North Carolina-Tennessee . luculentus unicoi, new subspecies 
Aedeagus 0.84-0.92 mm long; outer striae obsolete; Wayah Bald area in 
Nantahala Mountains, North Carolina 
luculentus wayahensis, new subspecies 
38(35). Elytra with 3 to 5 moderately impressed striae 39 
Elytra with all striae very feebly impressed, inner 2 or 3 striae barely 
discernible; Plott Balsam Mountains, North Carolina . balsamensis Barr 
39(38). Length 4. 5-5.0 mm; elytra with 4 or 5 striae; Plott Balsams and western 
Great Balsam Mountains, North Carolina rosenbergi Barr 
Length 3. 3-4.0 mm; elytra with 3 to 4 striae; central Great Smoky 
Mountains, North Carolina-Tennessee nebulosus Barr 
CLASSIFICATION OF APPALACHIAN TRECHUS 
Trechus , sensu stricto 
hydropicus group 
hydropicus hydropicus (Horn) — western Maryland and Virginia, eastern 
West Virginia (widespread taxon) 
hydropicus avus Barr — Ashe and Avery counties, North Carolina 
hydropicus beutenmuellen Jeannel — Black, Great Craggy, Bald, and Roan 
mountains, North Carolina and Tennessee (widespread taxon) 
hydropicus cams Barr — Grayson, Washington, and Lee counties, Virginia, 
to Harlan and Letcher counties, Kentucky 
schwarzi schwarzi Jeannel — Pisgah Ledge, Haywood-Buncombe-Tran- 
sylvania counties, North Carolina 
schwarzi scopulosus, new subspecies — Black and Great Craggy mountains, 
Yancey-Buncombe-McDowell counties, North Carolina 
schwarzi saludae , new subspecies — North Pacolet River gorge, Polk 
County, North Carolina 
