1975] 
Brady — Oxyopes 
197 
KEY TO SPECIES OF OXYOPES 
Males 
1 a. Leg I longer than leg IV. 2 
ib. Leg IV longer than leg I. 10 
2a. Body length 5 mm or less. 3 
2b. Body length greater than 5 mm. Color yellow with black 
markings. Pattern as in Figures 76, 77. Palpus illustrated in 
Figures 106, 107. flavus 
3a. Distinct mid-ventral black stripes on femora I-II 6 
3b. No distinct mid-ventral stripes on femora I-II. 4 
4a. Thin vertical black stripes beginning under AME and con- 
tinuing to subdistal region of chelicerae as in Figures 57, 59. 5 
4b. No thin black stripes as in Figures 57, 59. Russet brown, dark 
brown, or gray in general appearance (figs. 87, 88, 106, 107 
of Brady, 1964) . scalaris 
5a. Found in Arizona, Baja California. Probably limited to So- 
noran Desert region (figs. 25, 26, 33, 34 of Brady, 1964). .... 
occidens 
5b. Found south of Sonoran Desert region (Map 1). Figures 
57-60, 84-89. bifissus 
6a. With a well-developed retrolateral tibial apophysis as in Fig- 
ures 94-97. 9 
6b. Without a well-developed retrolateral tibial apophysis as in 
Figures 94-97. 7 
7a. Tarsus of palpus deeply concave, and with a brush of stiff 
hairs on the ventral surface of the patella. Color pattern as in 
Figures 73-75. Palpus as in Figures 98, 99. salticus 
7b. Tarsus of palpus not deeply concave, and without a brush of 
stiff hairs on the ventral surface of the patella. 8 
8a. Palpus illustrated in Figures 78-81. bifidus 
8b. Palpus illustrated in Figures 90, 91. summus 
8c. Palpus illustrated in Figures 92, 93. chiapas 
9a. Found in northern Mexico and northward (Map 1). Palpus 
illustrated in figures 35-38 of Brady, 1964. acleistus 
9b. Found in southern Mexico and southward (Map 1). Palpus 
illustrated in Figures 94-97. tibialis 
10a. With a conspicuous apophysis on the patella of the palpus 
(figs. 70, 71 of Brady, 1964). tridens 
