1966] 
Levi — Theridula and Paratheridula 
25 
5a. Canada, United States 6 
5b. Latin America 7 
6a. Epigynum with a dark anterior semicircle (fig. 3) 
emertoni 
6b. Epigynum with a dark posterior transverse area (fig. 11) 
opulent a 
7a. Epigynum with two projecting bars (fig. 8) casas 
7b. Epigynum with humps 8 
8a. Abdomen brown, usually with a black dorsal spot faceta 
8b. Abdomen black with white spots puebla 
9a. Palpal embolus as long as tegulum is high IQ 
9b. Palpal embolus shorter than tegulum high 11 
10a. Embolus tightly coiled (Fig. 3) nigerrima 
10b. Embolus loosely coiled (fig. 18) gonygaster 
1 1 a. Canada, United States 12 
11b. Latin America 13 
12a. Palpal embolus straight with a notch on tip (fig. 9) 
opulenta 
12b. Palpal embolus undulating (fig. 1) emertoni 
13a. Embolus as wide as long (fig. 23) puebla 
13b. Embolus longer than wide 14 
14a. Total length 1.4 to 1.9 mm faceta 
14b. Total length about 2.5 mm casas 
Map 2. Distribution of Theridula faceta (O. P. - Cambridge) and Theri- 
dula gonygaster (Simon). 
