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Psyche [Vol. 93 
W 1 
n 1 
n‘ I 
Fig. 3. Distribution of workers (w), early-stage nymphs (n), and late-stage 
nymphs (n') in colony PL482. The mean position and standard deviation of the 
distribution for each caste is indicated by the three lines at the top. 
documented quantitatively until now. Certainly the larvae are 
mobile enough to disperse themselves more widely. Even in the 
laboratory, after the disruption of field-collected colonies in open- 
ing them up and transferring them to petri dishes, the larvae are 
often found later to have re-aggregated under one fragment of 
wood, often in association with the reproductives. The significance 
