PLATE XXIV 



Aphi'ds 



1 



Aleyrodes 

 ypv, vaporarium 



Scfii'iB'neura 

 lanigera 



Underside 

 oj a 



Coccid 



Aspidiotus perniciosus 



An adult 

 Male Coccid 







Chlonaspis 

 Lepido^aphes ulmi f ur f ura 



Aspidiotus 



05treQe[ormis 



Aspidiotus ancylus Aspidiolus {orbesi 



