GENUS: PHYTOMONAS 



387 



Fig. 184. — Life-Cycle of Phytomonas davidl as described by Franca (x ca. 

 1,000). (After Franca, 1920.) 



A. Infective forms in salivary gland of bug (Stenocephalns agilis). 



B. Forms in primary lesion on cuticle of plant, which results from the bite of the bug. 



C. Forms in latex when infection becomes generalized. 



D. Forms in fruit. 



E. Forms in intestine of bug. F. Resistant forms in faeces of bug. 



