124 
Psyche 
[June 
Map 1. Distribution of Theridula emertoni Levi and Theridula opulenta 
(Walckenaer) . 
Carapace as in Theridion, not modified. Chelicerae with two teeth 
on anterior margin, none posterior. First leg longest with patella 
and tibia 1.2 to 1.5 times carapace length. Abdomen wider than long 
in females, and lacking a colulus. Male palpus very simple, without 
conductor, median apophysis or radix. Haematodocha fastens both 
ends of tegulum to cymbium. 
Key to Theridula species in the Americas 
References to “figures” in lower case signify illustrations in Levi 
1954, to “Figures” in upper case signify the ones in this paper. 
1 a. Females 2 
ib. Males 9 
2a. Epigynum with two distinct circular openings (Figs. 2, 5) 
•■••• ••••■•• 3 
2b. Epigynum with humps or otherwise no distinct opening visible 
5 
3a. Connecting duct with one loop (fig. 19) gonygaster 
3b. Connecting ducts not looped (Figs. 1, 4) 4 
4a. Openings connected by a posterior lip (Fig. 2).... multiguttata 
4b. Openings on a hump not connected by a lip (Fig. 5) 
nig err im a 
