62 



A CONTRIBUTION TO THE KNOWLEDGE OF 



Lepidosaphes ceanothi n. sp. 

 Fig. 34. 



1909. Mytilaspis concolor Ckll.; Essig, Pomona Col Jn. Ent., 1:57. (Misidenti- 

 fication.) 



Type host and locality. From Ceanothus jepsoni, Mount Tamal- 

 pais, Marin County, Cal. Also from Ceanothus integerrimus, Lake 

 County, and Ceanothus sp., Redding, Cal. 



Fig. 34. Lepidosaphes ceanothi n. sp. : pygidium. 



Scale. Scale of the female white, similar to that of L. concolor. 

 Scale of the male of the type common to the genus, but white. 



Female. Length 1.3 mm. Derm membranous throughout, except 

 for the pygidium ; thorax not separated from the abdomen by a constric- 

 tion. Margins of the abdominal segments projecting little or not at all, 

 with no gland spines but with numerous small ducts. 



Pygidium with the median lobes alone well developed and with these 

 sometimes very low and inconspicuous. Second pair of lobes present, 

 but extremely low and sometimes apparently almost obsolete. A very 

 small plate or gland spine between the first and second lobes, and occa- 

 sionally one or two beyond the second lobes, but these always very 

 small 'and usually lacking. Marginal tubular ducts considerably larger 

 than those of the dorsum, their pores with a chitinized rim about 



