1962] 
Levi — Steatoda and Enoplognatha 
13 
2a. 
2b. 
3 a. 
3b. 
4a. 
4b. 
5a. 
5b. 
6a. 
6b. 
7a. 
7b. 
8a. 
8b. 
9a. 
9b. 
10a. 
10b. 
1 ia. 
1 ib. 
12a. 
Epigynum with a large central depression (Figs. 12, 13, 15) 3 
Epigynum otherwise 4 
Epigynum with central depression surrounded by a lip (Figs. 
12, 13); ducts coiled (Fig. 1 1 ) ; Peru 
E. ju nine n sis (Keyserling) 
Epigynum with central depression lacking a lip posterior (Fig. 
15); ducts with a sclerotized loop (Fig. 14) ; Chile 
E. zapfei n. sp. 
Fused ducts extending anterior and surrounding seminal recep- 
tacles (Fig. 9) E. puno n. sp. 
Fused ducts not extending anterior of seminal receptacles (Fig. 
7) E. peruviana Chamberlin 
Yellow- white coloration with black or red lines on carapace and 
abdomen (1957a, fig. 4); introduced in northeastern and 
Pacific coast states E. ovata (Clerck) 
Gray, brown or black coloration 6 
Males 7 
Females 14 
Lacking paracymbium on cymbial margin (Fig. 4) ; Arizona, 
southeastern California E. maricopa n. sp. 
With paracymbium on cymbial margin 8 
Conductor with a stalked distal apophysis (1957a, fig. 13-16) 9 
Conductor otherwise 10 
Conductor apophysis widened distally and truncate (1957a, figs. 
15, 16) ; California E. selma Chamberlin and Ivie 
Conductor apophysis pointed distally (1957a, figs. 13, 14); 
introduced in Oregon E. thoracica (Hahn) 
Chelicerae with two subequal teeth on posterior margin (1957a, 
figs. 24, 25) 11 
Chelicerae with one large mesal tooth (1957a, figs. 46-48) 12 
Abdomen with a spotted dorsal pattern ( 1957a, fig. 33) ; median 
apophysis in ventral view only in distal half of alveolus (1957a, 
fig. 26) ; widespread throughout United States and southern 
Canada, Mexico E. marmorata (Hentz) 
Abdomen with a foliate dorsal pattern ( 1957a, fig. 37) ; median 
apophysis in ventral view extending into proximal half of 
alveolus ( 1 95 7 a > bg- 28) ; east of Rocky Mountains to New- 
foundland E. tecta (Keyserling) 
Ectal portion of conductor with long axis almost parallel to axis 
of cymbium (1957a, figs. 42-45); western states, rare in 
east E. joshua Chamberlin and Ivie 
