136 THE COCCIDAE 



gg. Anal cerari with tricerores always few in number, 

 twelve or less, about their ceraran setae. 



h. Body with seventeen pairs of cerari, cephalic 

 three or four pairs of cerari with each cerarus 

 with three ceraran setae, other cerari with two; 

 anal lobes with three or four slender setae; dorsal 

 setae few, very small; anal setae somewhat 

 shorter than anal ring setae. California on 



Sequoia, Cupressus. sequoiae Coleman. 



hh. Body with less than seventeen pairs of cerari. 



i. Body with sixteen pairs of cerari, cephalic 

 three or four pairs of cerari with each cerarus 

 with three or four ceraran setae, other cerari 

 with two. 



j. Ceraran setae of cephalic pair of head cerari 

 located close together, less than their own 

 length apart; dorsal setae few, small and 

 slender; anal ring setae scarcely longer than 

 width of anal ring and about one-half length 



of anal setae. Arizona on Covillea 



irishi Ckll. 



jj. Ceraran setae of cephalic pair of head cerari 

 distant, located their own length or more 

 apart; dorsal setae few, small, and slender; 

 anal ring setae scarcely longer than width 

 of anal ring and about one-half length of anal 



setae. New Mexico on Covillea 



steelii Ckll. & Towns. 



ii. Body with fifteen pairs of cerari, cephalic two 

 or three pairs of cerari with each cerarus with 

 four or five ceraran setae, other cerari with 

 two; ceraran setae small and widely separated; 

 dorsal setae few, extremely few and slender; 

 anal ring setae somewhat longer than width of 

 anal ring and subequal in length to anal setae. 



Arizona on Juniperus juniperi Ehrh. 



ff. Cerari with auxiliary setae. 



g. Anal cerari with tricerores always few in number, 

 not forming crowded area about their ceraran setae; 

 body with fifteen to seventeen pairs of cerari, typi- 

 cally seventeen; cephalic three or four pairs of 

 cerari with each cerarus with three conical setae; 

 other cerari with two; all cerari with prominent 

 auxiliary setae; dorsal setae numerous and usually 

 long; anal setae and anal ring setae subequal. Cali- 

 fornia on Castillea, Oribanche, Armeria 



longisetosus Ferris. 



gg. Anal cerari with numerous tricerores crowded into 

 a circular area about the ceraran setae; body with 



