SCALE-INSECTS. 39 



Group L DIASPIDIKZE. 



Female insects covering themselves with separate shields or 

 puparia composed partly of fibrous secretion, partly of the dis- 

 carded pellicles ; females apodous after first stage ; no abdominal 

 cleft or lobes ; spinnerets usually arranged in groups on the 

 posterior segment of female. 



GENERA. 



Female puparium circular, pellicles usually 

 in the centre ; male puparium slightly elon- 

 gated, not carinated, pellicle at one end. Four 

 or five groups of spinnerets, or groups absent ASPIDIOTUS. 



Female puparium more or less circular, pel- 

 licles near the centre ; male puparium elon- 

 gated, carinated, pellicle at one end. Five 

 groups of spinnerets DIASPIS. 



Female puparium elongated, pellicles at one 

 end ; male puparium nearly similar but smaller 

 and narrower, not carinatecl, pellicle at one end. 

 Five groups of spinnerets MYTILASPIS. 



Female puparium elongated, pellicles at 

 one end ; male puparium much narrower and 

 smaller, carinated, pellicle at one end. Five 

 groups of spinnerets CHIONASPIS. 



Female puparium elongated, pellicles at one 

 end; male puparium narrower, pellicle at one 

 end. More than five groups of spinnerets. Ab- 

 domen of female not fringed POLIASPIS. 



Female puparium elongated, first pellicle at 

 one end, second pellicle almost filling the pu- 

 parium ; male puparium smaller and narrower, 

 sometimes carinated, pellicle at one end FIORINIA. 



Genera not yet represented in New Zealand. 



Female puparium circular or elongated ; 

 male puparium elongated, not carinated PARLATORIA. 



