388 
Psyche 
[Septembe 
r-December 
Range 
Mean 
Standard 
. Deviation 
males 
females 
males 
females 
males 
females 
HW 
0.49-0.70 
0.48-0.63 
0.60 
0.55 
0.070 
0.054 
PW 
0.81-1.15 
0.84-1.08 
1.01 
0.95 
0.097 
0.080 
PL 
0.58-0.80 
0.55-0.75 
0.70 
0.68 
0.072 
0.064 
EL 
1.15-1.55 
1.19-1.54 
1.40 
1.34 
0.131 
0.107 
EW 
0.84-1.14 
0.89-1.10 
1.00 
0.98 
0.094 
0.074 
PW/PL 
1.36-1.55 
1.43-1.60 
1.44 
1.49 
0.05 
0.04 
EL/EW 
1.34-1.44 
1.32-1.42 
1.36 
1.38 
0.04 
0.04 
PW/HW 
1.58-1.82 
1.69-1.80 
1.66 
1.74 
0.06 
0.04 
EW/PL 
1.90-2.09 
1.98-2.24 
1.99 
2.10 
0.06 
0.07 
Table 
2. Variation 
in a sample of a population 
of Catopc 
icerus 
appalachianus from Mt. Mitchell, North Carolina. 15 females 
and 15 males. Measurements in millimeters. 
Male first four protarsomeres expanded and with long hairs; first 
three mesotarsomeres feebly dilated ; metatibia with inner edge weakly 
to strongly serrated. Aedeagus in lateral view robust and arcuate; 
ventral surface of anterior end projecting forward; from base nar- 
rowing slightly for 2/3 length, narrowing markedly in distal third, 
tip slightly downcurved ; in ventral view sides expanding slightly for 
2/3 length, then evenly converging to tip; tip flattened; parameres 
gradually tapering to thin point which extends beyond aedeagus tip; 
basal piece of parameres pointing forwards along sides of aedeagus 
(figs. 6, 7). 
Female tarsomeres not expanded; abdominal segments as in male; 
inner margin of metatibia smooth. 
Variation. Table 2 presents meristic data on the topotypic popu- 
lation. In some specimens the outer margin of the elytra at the an- 
terior angles bears a few coarse, low teeth. The males of the species 
variably possess a saw-toothed inner margin of the hind tibia, ranging 
from absent to highly developed. 
The variation in size and proportions within this species overlap 
in some measured populations with C. ulkei size and proportions. 
Hence, care should be used in separating the species using external 
criteria. A sample of four males of C. appalachianus from Whitetop 
Mt., Virginia is composed of noticeably smaller individuals. Their 
