310 THE COCCIDAE 



b. Body of adult female never enclosed in puparium; scale of adult 

 female usually with second exuvia. 

 c. Pygidium with plates or pectinae cephalad of median pair of 



lobes, 

 d. Body never with deep transverse constriction. 



e. Pygidium of adult female always without paraphyses. 



f. Pygidium with furcapectinae or plates in median in- 

 cisura. 



g. Pygidium with furcapectinae in median, second, and 

 third incisurae; caudal margin with pygidial incis- 

 ion. Type, Diaspis zamiae Morg. Furchadaspis MacG. 



gg. Pygidium with plates in median, second, and third 

 incisurae; caudal margin convex, not with pygidial 



incision. Type, Chionaspis funtumiae Newst 



Mitulaspidis MacG. 



ff. Pygidium without furcapectinae or plates in median in- 

 cisura. 



g. Pygidium with furcapectinae on lateres; median pair 

 of lobes incised and smaller than second pair. Type, 

 Chionaspis capensis Newst Dentachionaspis MacG. 



gg- Pygidium never with furcapectinae on lateres; me- 

 dian pair of lobes never incised. 



h. Body with rostrum normal in position, distant 

 from cephalic margin. 



i. Body with rudimentary antennae normal in 

 form, consisting of minute projection bearing 

 one to three setae, never located on chitinized 

 area bearing corona of four to six spine-like pro- 

 jections. 



j. Pygidium with three or four pairs of lobes; 

 scale usually elongate. 



k. Pygidium with four pairs of lobes; caudal 

 margin with distinct pygidial incision; 

 median pair of lobes rudimentary. Type, 



Chionaspis amaniensis Lindgr 



Inchoaspis MacG. 



kk. Pygidium with three pairs of lobes; me- 

 dian pair of lobes always distinct. 



1. Pygidium with anus and vulva superim- 

 posed. 



m. Pygidium with caudal end truncate or 

 convex; median pair of lobes distant 

 and strongly divergent caudad. Type, 



Chionaspis permutans Green 



Graphaspis MacG. 



