Revision of Trechus 
69 
Measurements (in mm). — Holotype male: total length 4.48, head 1.00 
long X 0.83 wide, pronotum 0.89 long X 1.19 wide, elytra 2.54 long X 
1.89 wide, antenna 1.68 long. 
Distribution. — In addition to the type series, I have seen specimens from 
the following localities. TENNESSEE: Monroe County. — Sugar Cove 
Creek, elevation 3000 feet (900 m) (T. C. Barr, 1964); Laurel Top, near 
Big Junction, elevation 5200 feet (1585 m) (T. C. Barr, 1960); Haw 
Knob, elevation 5400 feet (1645 m) (T. C. Barr, 1960). NORTH 
CAROLINA-: Graham County. — Joyce Kilmer Memorial Forest, elevation 
3000 feet (900 m) (J. M. Valentine, 1950-51); Bemis Lumber Company 
Camp (J. M. Valentine, 1951); Johns Knob, near Stratton. Meadows, 
elevation 4800 feet (1465 m) (T. C. Barr, 1971). All localities are in the 
Unicoi Mountains, and specimens are at present in my private collection. 
Discussion . — Previously (Barr 1962: 88) I noted the occurrence of this 
subspecies in the Unicoi Mountains but did not name it because insuf- 
ficient specimens were available. I have now examined 55 specimens from 
the seven stated localities. The subspecies has the same microhabitat 
preferences of nominate luculentus and is prevalent beneath rocks and moss 
in wet ravines and near seeps and springs. 
Figs. 40-43. Aedeagi of Trechus species, left lateral view (except 41): 40. T. luculentus unicoi, 
new subspecies, Stratton Meadows, North Carolina-Tennessee. 41. T. luculentus unicoi, apex, 
dorsal view. 42. T. luculentus wayahensis, new subspecies, Dirty John Creek, North Carolina. 
43. T. nantahalae, new species, Burningtown Bald, North Carolina. 
