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Psyche 
[Vol. 88 
captured by medias, while most was returned to the nest by minors 
(fig. 4); minors also contributed most to processing, an in-nest 
activity. Medias brought back only about one-fifth of the prey they 
caught. It is possible that minors play a role similar to that of majors 
in Daceton , bringing in food captured by foragers of another caste, 
not themselves hunting as actively. However, minors were never 
observed to take prey away from medias. They simply retrieved prey 
that medias had dropped, a rather slipshod method of transferring 
FORAGING CAPTURE PREY 
RETURN PREY PROCESS PREY 
Figure 4: Polyethism curves of predatory behavior. Behavior categories are the 
same as in the ethogram (table 1). 
