22 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 124 



Description (male from Greenville Co., S.C.). — Length 43.7 mm, 

 width of segment 6 10.0 mm, of segment 12 9.9 mm, of segment 16 

 9.8 mm. W/L ratio 23 percent; W/D ratio at midbody 65 percent. 



Structural features essentially as in C. rileyi with following excep- 

 tions: interantennal isthmus slightly broader, 24 percent of antenna 

 length instead of 20 percent; antennae about 7.5 mm long. 



Paranota essentially transverse from segments 2 through 14; their 

 dorsal surface nearly flat. Peritremata weakly set off from adjoining 

 surface, continuous with caudal edge of paranota on segments 2 

 through 4. Paranota of segment 19 in form of subtriangular lobes. 



Caudal sides of metazonites smooth and unmodified, lacking dis- 

 tinct marginal ridge, preceded by groove. No low ridge above pos- 

 terior pair of legs of segments. 



Sterna of metazonites with fairly distinct subcoxal acute lobes be- 

 tween legs of posterior pair. Coxae of legs posterior to gonopods with 

 very prominent ventral spines; prefemora with moderately long acute 

 distal spines. 



Posterior edge of gonopod aperture forming distinctly elevated 

 flange. Gonopods large, directed cephalad, telopodites interlocked in 

 situ. Coxa without peculiarities, usual two macrosetae on dorsal side. 

 Prefemur somewhat more elongated than in other species, with small 

 acutely laminate process on dorsal side. Gonopod beyond prefemur 

 forming sigmoidally curved acropodite without subdivisions evident; 

 curvature first ventromedial, thence abruptly expanded with prom- 

 inent lobation on the outer side, seminal groove running out onto 

 small short "solenomerite" as seen in dorsolateral aspect (fig. 19), 

 this terminal area corresponding closely in shape to telopodite ending 

 in other species of genus with shorter and more massive gonopods. 



Sternal processes of third segment somewhat shorter than in other 

 species of Cleptoria (fig. 1). 



Dorsum blackish, with caudolateral halves of paranota and trans- 

 verse marginal band on each metatergite reddish; sides of segments 

 whitish with vertical red stripe; basal podomeres yellowish, distal 

 four segments pink. 



Distribution. — Foothills and eastern escarpment of Blue Ridge 

 along western edge of Greenville County, S.C. Almost certainly it 

 will be found in the adjoining North Carolina counties of Henderson 

 and Rutherford; probably the valley of the French Broad River 

 forms the northwestern boundary of the range (see fig. 21). 



Specimens from the vicinity of Caesar's Head, S.C, appear to be 

 intermediate both in gonopod form and color pattern with the nominal 

 subspecies C. n. nigrescens; the locality is indicated on the map by an 

 X. Specimens have been examined from the following localities: 



