390 THE COCCIDAE 



jj. Plates all subequal with each other and lobes, 

 all plates distinctly separated. — Type, Fur- 

 caspis proteae Brain Seimraspis MacG. 



ii. Pygidium with three pairs of lobes, second and 

 third pairs distinctly lobe-like. 



j. Body normal in form, slightly longer than 

 broad, as broad as long, or broader than long, 

 never four times as long as broad. 



k. Pygidium with caudal margin with deep 

 pygidial incision; median pair of lobes, 

 about one-half size of second pair, placed in 



1 incision. — Type, Aspidiotus kellyi Brain 



Brainaspis MacG. 



kk. Pygidium with caudal margin never with 

 pygidial incision; median pair of lobes as 

 large as or much larger than second pair. 



I. Ventral aspect of head, thorax, and pre- 

 abdomen not with submarginal series of 

 large setae or short conical setae. 



m. Pygidium with pectinae between lobes. 



n. Insects producing galls upon plants. 

 Cryptophyllaspis Ckll. 



nn. Insects not producing galls upon 

 plants. — Type, Aspidiotus fissidens 

 Lindgr. Spinaspidiotus MacG. 



mm. Pygidium with plates between lobes; 

 insects not producing galls upon 

 plants. — Type, Aspidiotus helianthi 

 Parrott. Rhizaspidiotus MacG. 



II. Ventral aspect of head and thorax with 

 a submarginal series of long stout setae 

 and preabdomen with a band of four to 

 six conical setae on each side. — Type, 

 Aspidiotus capensis Walk 



Tnmcaspidiotus MacG. 



jj. Body abnormal in form, length four times 

 greatest width, head, thorax, and preabdomen 

 distinctly more strongly chitinized than pygi- 

 dium. — Type, Aspidiotus fiorineides Newst 



Yaricaspis MacG. 



hh. Pygidium with less than three pairs of lobes. 



i. Pygidium with two pairs of lobes. 



j. Pygidium with median pair of lobes large and 



prominent, second pair of lobes smaller but 



lobe-like. — Type. Aspidiotus minimus Leon... 



Gouaspidiotus MacG. 



