1962] 
Levi — Steatoda and Enoplognatha 
23 
13a. Palpal embolus appearing as a tightly coiled structure supported 
by the conductor (Fig. 30). Minas Gerais, Brazil 
S. diamantina n. sp. 
13b. Palpus otherwise 14 
14a. Palpus with a long narrow radix (in ventral view) whose axis 
is parallel to that of the cymbium (Fig. 27) ; Bolivia, Chile, 
Argentina S. sabulosa (Tullgren) 
14b. Palpus otherwise 1 5 
15a. Palpal embolus small, on distal, ventral side of bulb (1957b, 
fig. 14); Mexico S. quaesita (O. P.-Cambridge) 
15b. Palpus with embolus on ectal side or hidden in ventral view.. 16 
16a. Palpus with prominent ventral radix (1957b, fig- 27) ; southern 
California, Texas, Mexico S. transversa (Banks) 
16b. Palpus otherwise (1957b, fig. 30) ; Georgia, Gulf states, West 
Indies, Mexico to Venezuela 
S. quadrimaculata (O. P.-Cambridge) 
17a. Epigynum with a wrinkled area (Figs. 39, 43) 18 
17b. Epigynum with all parts smooth 20 
1 8a. Epigynum with a shield having its anterior margin lobed 
(1957b, fig. 67); ducts coiled (1957b, fig. 66); southern 
Canada to central Mexico; common in northeastern states .... 
S. americana (Emerton) 
18b. Epigynum without lobed anterior margin; ducts not coiled .. 19 
19a. Epigynum as in Figure 39; Chile S. porteri (Simon) 
19b. Epigynum as in Figure 43; southern Mexico to southern 
Patagonia S. ancorata (Holmberg) 
20a. Epigynum with a light, transverse, oval, surrounded on sides 
and behind by a raised area (Fig. 26) ; Bolivia, Chile, Argentina 
S. sabulosa (Tullgren) 
20b. Epigynum otherwise 21 
2 1 a. Epigynum' with a median lobe extending from anterior (Figs. 
17, 2l) 22 
2ib. Epigynum without anterior lobe 27 
22a. Posterior margin of epigynum heavily sclerotized and projecting 
in middle (Fig. 21), northern Colombia S. marta n. sp. 
22b. Epigynum otherwise 23 
23a. Epigynum with a depression along posterior margin (1957b, 
figs. 58, 72) 24 
23b. Epigynum otherwise 25 
24a. Posterior median depression bordered on each side by a thorn 
