248 THE coccroAE 



always lack altaceratubae. It is likely that several of the species 

 described as belonging to the genns Aonida may be found to be- 

 long to Gymnaspis when the pygidia of their nymphal stages are 

 described or figured. 



GENERA OF PARLATORIINI 

 a. Pygidium of adult female with groups of genacerores. 



b. Pygidium of adult female always with lobes and pectinae or 

 plates; adult female never enclosed in puparium. 

 c. Pygidium of adult female with four or five groups of gena- 

 cerores. 

 d. Pygidium of adult female always with pectinae and more 

 than two pairs of lobes, 

 e. Scale of adult female with second exuvia of medium size, 



never covering one-half of scale Syngenaspis Sulc. 



ee. Scale of adult female with second exuvia large, covering 



two-thirds or more of scale Parlatoria Targ. 



dd. Pygidium of adult female without pectinae and with plates; 

 scale of adult female with second exuvia large, covering 



greater part of scale Crypt oparlatoria Lindgr. 



cc. Pygidium of adult female with two groups of genacerores. 



— Type, Gymnaspis aberemoae Lindgr Lindingeria MacG. 



bb. Pygidium of adult female alwaj's with pseudolobes and without 

 lobes and pectinae or plates; adult female enclosed in puparium. 



Porogymnaspis Green, 

 aa. I*ygidium of adult female without groups of genacerores. 



b. Pygidium of adult female and of second nymphal female with 

 lobes and pectinae; scale of adult female with two exuviae, adult 

 female never enclosed in puparium. — Type, Parlatoria pseudaspidi- 



otus Lindgr. Genaparlatoria MacG. 



bb. Pygidium of adult female with simple or toothed pseudolobes and 

 without pectinae; second nymphal female with lobes and pecti- 

 nae; scale of adult female with single exuvia, adult female al- 

 ways enclosed in puparium. Gymnaspis Newst. 



SPECIES OF SYNGENASPIS 



a. Pygidium with five groups of genacerores. 



b. Pygidium with four pairs of lobes, all with dintinct lateral notch, 

 fourth pair of lobes small; pectinae broad, two in each incisura, 

 and filling space; genacerores 0-7(10-25)11-23; altaceratubae 19, 

 one mesal and nine on each side; scale of adult female circular 

 or subcircular, white or whitish with yellow to fuscous exuviae. — 

 Parlatoria (Euparlatoria) calianthina Berl. & Leon. — Italy, Al- 

 geria on Rosa, Fraxinus, Olea, peach, apple, almond oJea Colv. 



bb. Pygidium with three pairs of lobes. 



c. Pygidium with each group of pregenacerores consisting of 

 about twenty cerores. 



