1964] 
Levi — Spider Genera 
79 
Stemmops questa Levi 
Figures 6-8 
Stemmops questa Levi, 1955, Ann. Ent. Soc. America, 48: 340, figs. 33, 34, 
2. Female holotype from Chiapas, Mexico in the American Museum of 
Natural History. 
Description. Male. Carapace yellow-white, eye region black, 
some median longitudinal gray pigment marks. Sternum, legs yellow- 
white. Abdomen gray with unpigmented yellow- white spot above 
spinnerets. Anterior median eyes slightly smaller than others, less 
than one-quarter diameter apart, touching laterals. Posterior median 
eyes less than one-quarter diameter apart, touching laterals. Total 
length 1.4 mm. Carapace 0.7 mm long, 0.5 mm wide. First patella 
and tibia, 0.9 mm; second, 0.7 mm; third, 0.6 mm. Fourth femur, 
0.8 mm; patella and tibia, 1.0 mm; metatarsus, 0.5 mm; tarsus, 
0.5 mm. 
The embolus of the palpus is relatively short (Fig. 6). 
The male described here has not been collected with the female, 
but seems to match the female in general appearance and particularly 
in eye arrangement. 
Natural history. Found in leaf mold in Panama. 
Distribution. Southern Mexico to Panama. 
Additional records. Panama. Boca Toro, Changuinola Dist., 18 
Jan. 1925, $ (F. R. Swift, AMNH). Panama Canal Zone: near 
Cocoli, 13 Jan. 1958, cf (A. M. Chickering) ; Forest Preserve, 
Jan., Feb. 1958, cf (A. M. Chickering) ; Experimental Gardens, 
10-14 July 1 955 , $ (A. M. Chickering) ; Pedro Miguel, 25 Aug. 
1954, 9 (A. M. Chickering). 
Stemmops melius sp. n. 
Figures 13-15 
Type. Female holotype from Barro Colorado Island, Panama 
Canal Zone, June-July 1934 (A. M. Chickering) in the Museum 
of Comparative Zoology. The specific name is an arbitrary combina- 
tion of letters. 
Description. Carapace yellow-white, dusky on sides, with median 
dorsal gray marks. Sternum light with gray pigment and scattered 
small unpigmented spots. Legs yellow-white. Abdomen dorsum gray, 
light spot above spinnerets without pigment ; venter without pigment, 
almost whitish. Carapace subcircular (Fig. 13). Anterior median 
eyes smaller than other eyes, their radius apart, touching laterals. 
Posterior median eyes less than a quarter of their diameter apart, 
touching laterals. Total length 1.7 mm. Carapace 0.6 mm long, 
