31 



Table 1. B. dimorpha infection rates in colonies of S^. invicta 

 and S. richteri. 



Number of days after 



ingestion of spores S^. richteri S^. invicta 



21 5% 



49 



80 



110 

 140 



One pupa in the nest population of 786 was infected. 



colony #1 



#2 



#3 



6% 



44% 



4% 







8.57o 











<1%^ 







- 







- 



_ 







_ 



