110 
Psyche 
[Vol. 92 
Fig. 3. Web oi a young Eustala sp. The spider is resting at the hub. Scale line = 5 
cm. 
numerous flecks of white silk, and the radial arrangement of the 
retreat plus the flecks gave the strong impression that the spider was 
dead and had been attacked by a fungus that was producing fruiting 
bodies. 
Discussion 
The webs of adult Eustala sp. differ dramatically from the more 
or less typical orbs of other Eustala species (Eberhard 1975, 1976, 
unpub. obs. of at least 10 other species). Although the usefulness of 
orb^web geometry in grouping species in genera has yet to be dem- 
onstrated, the differences documented here are probably unusual. 
There is a striking similarity between the webs and building 
behavior of larger Eustala sp. and those of the very distantly related 
uloborid Polenecia ( =Svbota ) producta (Weihle 1931) (Fig. 4): 
