66 



PLATE V. 



Aleyrodes vaporariorum. 



Fig. 21 : Adult female from above. 



Fig. 22 : Adult female from below. 



Fig. 23 : Adult female from the side, abdomen distended with eggs, 

 ovipositor extended. 



Fig. 24. Right antenna of adult female. 



Fig. 25 : Genitalia of male from the side. . 



Fig. 26 : Terminal segment of abdomen of adult male from above, 

 showing vasiform orifice and genitalia. 



Fig. 27. Ovipositor of female from above. 



PLATE VI. 



Figs. 2S-31 : Diagrams illustrating variation in number and position 

 of wax rods of the inner submarginal and dorsal series of the pupa of Aley- 

 rodes vaporariorum. 



Fig. 32 : Diagram illustrating main trunks of tracheal system of larval 

 Aleyrodes; drawn from a larva (third instar) of A. packardi seen from be- 

 ,low. For explanation of lettering of figures see page 28. 



Fig. 33 : Dorsum of the first instar of Aleyrodes packardi. 



