THE SOLDIERLESS TERMITES OF AFRICA 



147 



imago pair that appear conspecific. A. imbellis is distinguished in the imago by 

 the minute fontanelle, longer apical mandibular teeth, and wider meso- andmetanota. 

 The worker differs from A . epius in the characters already mentioned above. The 

 abdomen appears to be possibly dehiscent in the worker caste of A. epius, but this 

 is not very definite. 



Holotype $ imago, paratype <$ and $ imagos and workers from type-colony, 

 Zambia: Lusaka, 11.xii.1966 (M. G. Bingham, Coll. No. 553) in British Museum 

 (Natural History). 



Other paratype material. Rhodesia: Salisbury, Atlantika Research Station, 

 19.xii.1964 (M. G. Bingham, Coll. No. 158), in BMNH. 



The species was found in mounds of Cubitcrmes spp. 



352 



354 



355 



Figs 348-355. Acholotermes, imago mandibles. 348, 349, A. chirotus; 350, 351, 

 A. epius; 352, 353, A. imbellis; 354, 355, A. tithasus. 



