Appalachian Pseudanophthalmus 
79 
found in English Cave as well as in the caves of the Cedar Fork area. 
There is no obvious structural geologic barrier separating these caves. 
Pseudanophthalmus longiceps, new species 
Figs. 44, 52 
Etymology. — Latin longiceps, “long head.” 
Diagnosis. — Differs from other species of the group in the slender 
form and unusually elongate head (1.5 times longer than wide), the small, 
acute, pronotal hind angles, and the shallow elytral striae with subconvex 
intervals. 
Description. — Length 4. 6-6. 2, mean 5.3 ± SD 0.3 mm (N = 17). Form 
elongate, head very narrow, pronotum small and rather convex, elytra 
convex; rufotestaceous, sparsely pubescent, elytral microsculpture finely 
transverse, obsolescent. Head nearly 1.5 times longer than wide, sides 
subparallel, dorsum depressed; anterior margin of labrum with low but 
sharp median lobe; frontal grooves feeble behind, barely extended onto 
sides of head, subaphaenopsian. Pronotum cordiform, 0.9 as long as 
wide, convex, disc with 4 long, somewhat irregular setae each side; widths 
at apex and base subequal and 0.75 greatest width, which occurs in apical 
sixth at placement of anterior marginal setae; anterior angles prominent, 
a little produced, sides feebly and very shallowly sinuate in basal sixth, 
hind angles small, sharp, a little less than right; basal impressions deep 
and oblique, secondary basal angles subdued. Elytra broadly convex, 
slightly ventricose, prehumeral borders oblique to midline, humeri prom- 
inent but slightly rounded, setose and feebly serrulate; disc deplanate in 
scutellar region, with longitudinal rows of rather sparse pubescence; 
inner 4 striae feebly impressed, outer striae obsolescent, intervals subcon- 
vex; apical recurrent groove elongate and bisinuate, joining 3rd stria at 
level of 7th umbilicate puncture. Appendages all unusually slender and 
elongate; antenna 0.8 times body length; last segment of maxillary palp 
1.15 times longer than penultimate segment, Aedeagus 0.60-0.63 mm 
long, gently arcuate in left lateral view, apex produced and very slightly 
knobbed, transfer apparatus as in P. seclusus. 
Type series. — Holotype male (American Museum of Natural His- 
tory), Fisher Cave, near the top of Newmans Ridge, between Blackwater 
and Kyles Ford, Lee Co., Virginia (Kyles Ford IVi Quadrangle, 36^37'22" 
X 83^03'40", elev. 480 m), 15 August 1969, J. R. Holsinger; 5 paratypes, 
same cave, 17 July 1979, T. C. Barr, Jr., T. C. Barr, III, and J. R. 
Holsinger; 13 paratypes, same cave, 30 September 1979, T. C. Barr, Jr. 
Measurements (mm). — Holotype, total length 4.78, head 1.13 long X 
0.76 wide, pronotum 0.86 long X 0.95 wide, elytra 2.66 long X 1.59 
wide, antenna 3.76, aedeagus 0.62. 
