274 THE COCCIDAE 



verse constriction cephalad of 

 antennae. 



p. Adult female with cephalo-lat- 

 eral angles of body never pro- 

 duced into ringed horn-like 

 projections; body always nor- 

 mal in form 



Lepidosaphes Shimer. 

 pp. Adult female with oephalo-lat- 

 eral angles of body always 

 produced into ringed horn- 

 like projections. Type, Myti- 



laspis ocellata Green 



Cornuaspis Mac. 



oo. Adult female with cephalic end 

 of body always with transverse 

 constriction cephalad of antennae, 

 separating off head-like portion. 

 Type, Mytilaspis occuli Green. 

 Cephalaspis MacG. 



nn. Preabdomen with lateral margins 

 of its segments always produced 

 into prominent claw-like processes. 

 Type, Lepidosaphes ungulata 



Green. Ungulaspis MacG. 



mm. Adult female with cephalic end of 

 body always provided with distinct 

 numerous sltrongly chitinized tooth- 

 like projections. Type, Mytilaspis ser- 



rifrons Leon Scobinaspis MacG. 



11. Pygidium of adult female always with 

 single pair of distinct lobes. Type, 



Mytilaspis wilga Leon 



Leonardaspis MacG. 

 jj. Pygidium of adult female always without 



plates in median incisura. 

 k. Pygidium of adult female never with 

 prominent pygidial incision; median pair 

 of lobes with proximal ends not adjacent. 

 1. Pygidium of adult female always with 

 more than one pair of lobes. Type, 



Mytilaspis intermedia Mask 



Scrupulaspis MacG. 



11. Pygidium of adult female never with 

 more than one pair of lobes. Type, 



Mytilaspis spinifera Mask 



Berlesaspis MacG. 



kk. Pygidium of adult female always with 

 prominent pygidial incision; median pair 

 of lobes with their proximal ends united. 



