1969] 
Sheai Hypochilus gertschi 
415 
Frey hits lampshade 
Prey struggles 
Prey struggles 
Prey struggles 
Prey subdued 
Rocking, "testing" 
Turns to face prey 
Side of lampshade 
gathered in 
Cuts out and drops 
prey 
Pulls prey towards 
lampshade center, bites 
repeatedly 
Feeds 
Fig. 9. Typical attack sequence of Hypochilus gertschi. 
drop to the ground. Once on the ground, the spider remained inert 
with the legs drawn up over the carapace. Return to the web involved 
a laborious search for the attachment point of the tangle, which was 
then climbed until the spider could re-enter the lampshade. In two 
cases, escaped individuals found the webs of other individuals and 
attempted to climb them. When they reached the lampshade, they 
were repulsed by the occupant. 
Discussion 
According to Marples ('1968), the anatomy of Hypochilus is the 
most primitive of any araneomorph spider. The web of Hypochilus 
