Fig 21. Sagittal section through the developing eye of a 

 healthy pupa showing detail of optic nerve and 

 base of the developing ontmatidiura. Rh = rhabdom 

 and associated cells; BM = basement membrane; 

 PG = pigment granules; ON = optic nerve; FB = 

 fat body. X 3,000. 



Fig 22. Sagittal section through the eye of a pupa infected 

 by B. dimorpha . Only remnants of the optic nerve 

 may be seen. The basement membrane area is destroy- 

 ed. ON = optic nerve; FB = fat body; PG = pigment 

 granules; Rh = rhabdom and associated cells. 

 X 3,000. 



Fig 23. Fat body of a healthy pupa. X 7,500. 



Fig 24. Fat body of a pupa infected by B. dimorpha . Note 



the depleted appearance of fat body and the presence 

 of several MB spores. X 7,500. 



