56 THE COCCIDAE 



ii. Abdomen, so far as known, not with lateral 

 and caudal margins fringed with setae more 

 numerous or longer than those of dorsal or 

 ventral aspects; rostrum consisting of two seg- 

 ments. KUWANIINAE. 



hh. Abdomen never with more than three pairs of 

 spiracles and these always located on segments 

 one to three; rostrum, if present, consisting of a 

 single segment Callipappixae. 



gg. Cuticle of body bearing numerous short truncate 

 setae; abdomen always without spiracles; rostrum 

 never wanting, consisting of two inconspicuous seg- 

 ments. COCCINAE. 



ff. Abdomen with anal lobes and small anal setae, anal 

 lobes often inconspicuous, rostrum always present and 



consisting of two segments. Cylindrococcinae. 



dd. Abdomen always with anal ring and anal ring setae. 



e. Body bearing groups of pilacerores excreting lamellae of 

 white wax which are more or less fused; tibio-tarsal 

 suture sometimes obsolete; abdomen frequently with 



seven pairs of spiracles Ortheziinae. 



ee. Body never bearing groups of pilacerores; tibio-tarsal 

 suture present; abdomen, so far as known, never provided 

 with spiracles. 



f. Rostrum consisting of three segments; abdomen not 

 with anal lobes or anal setae; tarsus with toothed 



claw. Phexacoleachiinae. 



ff. Rostrum usually consisting of two segments, sometimes 

 of only single segment, never of three segments; abdo- 

 men usually provided with anal lobes and anal setae, 

 anal lobes sometimes obscure or wanting. 

 g. Thorax provided with canellae associated with meso- 

 spiracles, extending onto dorsal aspect, mesospiracles 

 twice as far apart measured on sternum as metaspir- 

 acles; anal ring setae ten in number and placed on 

 six circular or oval plates; anal lobes and anal setae 



wanting. Tacii.AlRdiinae. 



gg. Thorax never provided with canellae; mesospiracles 

 at most only slightly farther apart on ventral aspect 

 than metaspiracles; anal ring setae never placed on 

 plates, usually six in number, sometimes more or 

 less. 



h. Body provided with octacerores. generally arranged 

 in longitudinal, transverse, or marginal rows; 



rostrum consisting of single segment 



Asterolecaniinae. 



hh. Body never provided with octacerores; rostrum, so 



far as known, always consisting of two segments. 



