1982] 
Lubin, Opell, Eberhard, Levi — Uloboridae 
39 
Prey Capture Sequences With Different Prey Types. 
The only case not conforming to this description was that of a 
fruitfly caught on the inner orb; the spider wrapped it, secured it by 
reattaching it to the radius and fed on the prey in situ. 
U. conus rejected or ignored a number of insects offered as prey. 
Five small orthopteran nymphs 3-4 mm long (probably newly 
emerged) where given to adult females and all were rejected. On two 
occasions, the spiders approached and tapped the insects with legs I 
and then returned to the hub. In other instances the spider pulled 
the radii in the direction of the orthopteran, shook the web and then 
ignored it. The same individuals readily attacked fruitflies offered as 
prey after the orthopterans. Fruitflies were not attacked on three 
occasions when they were offered while the spider was already 
wrapping a prey or feeding at the hub. Two ants ( Anopolepis 
longipes, 4mm long) were rejected under the same circumstances. 
Sequences With Multiple Prey. 
On six occasions spiders feeding at the hub attacked second or 
third prey thrown into their webs. These included two ants, two 
fruitflies, a dolichopodid fly and an unidentified small fly. On all but 
one occasion the spider carried the first prey in its palps as it ran out 
to attack the second. In one instance a spider that had been 
wrapping the first prey at the hub attached this insect to a dragline 
thread below the hub before going out to attack the second insect. 
The second prey was immobilized in the same manner as the first, 
but rather than cut this insect out and carry it to the hub, the spider 
secured the second prey at the capture site and returned to the hub 
to resume feeding on the first prey. While performing immobili- 
zation wrapping, the spider usually broke the radius attached to the 
prey on the inner side (toward the hub), but not on the outer side. 
Before leaving it at the capture site, the spider reattached the prey to 
the broken end of the radius, thus securing it at both ends. 
Eggsac and Eggsac Web. 
The eggsac of U. conus is about 8mm long by 3mm wide, with 
angular projections along the edges (Fig. 7). It is suspended in an 
eggsac web on a strengthened radius of a former web, where the hub 
of the inner orb had been. The web is similar to those of U. diversus 
(Eberhard, 1969) and Miagrammopes sp. near unipus (Lubin et al. 
1978) and consists of frame threads, a few radii and one or more 
