DISCUSSION OF GENERA AND SPECIES 



55 



This is the species described by Coleman as A. coniferarum var. 

 shastce and more recently by Marlatt as Aonidia juniperi. It is certainly 

 congeneric with and perhaps the same as Aspidiotus (= Cryptaspidiotus) 

 mediterraneus Lindinger, which occurs on Juniperus in the Mediter- 

 ranean region and of which I have specimens. The genus Cryptaspidiotus 

 must eventually be recognized, but it has not been adequately character- 

 ized, and in the present state of our knowledge of this group to limit it is 

 difficult. I therefore retain the species for the present in Aspidiotus. 



Genus CHRYSOMPHALUS Ashmead. 



Chrysomphalus rossi (Maskell). 



Fig. 33. 



On Araucaria bidwilli, on the campus of Stanford University. An 

 introduced species. Specimens from this locality agree entirely with 

 material from Australia determined by Froggatt as this species. 



Fig. 33. Chrysomphalus rossi (Maskell) : pygidium of specimen from Araucaria on 

 the Santa Cruz Peninsula. 



The figure of the pygidium given by Green in the Coccidae of Ceylon 

 is hardly as detailed as is desirable, and I present a new figure. The 

 mixture of large and small ducts on the dorsum is a characteristic feature 

 of the species. 



