398 THE COCCIDAE 



11. Pygidium with four to six pectinae 

 cephalad of each third lobe; median pair 

 of lobes large, prominent, obscure mesal 

 and lateral notches, distal margin blunt- 

 ly produced between them; second and 

 third pairs of lobes small, triangular, 

 pointed; pectinae slightly longer than 

 the lobes, arranged 2, 2, 3, 4-6; anus dis- 

 tant from caudal margin four times its 

 width; oraceratubae conspicuous, ar- 

 ranged in longitudinal rows; genacerores 

 1-3(10-14)5-7. Australia on Ribes, Ampe- 



lopsis, Eucalyptus, Acacia, Cytisus 



tasmaniae Green. 



jj. Pygidium with genacerores (3-4)2-3, said" to 

 be in five groups; median pair of lobes broad 

 and stout; second pair of lobes dentiform, 

 lateral margin strongly oblique; third pair of 

 lobes reduced to tooth of margin; setae long 

 and stout, longer than plates and pectinae. 



Corsica on Stachys, Teucrium 



labiatarum Marchal. 



ii. Pygidium with two plates in median incisura; 

 median pair of lobes long, broad, quadrangular, 

 broadly rounded, mesal and lateral notches 

 prominent, second pair of lobes longer than 

 broad, bluntly rounded, lateral and possibly me- 

 dian notch; third pair of lobes elongate, half as 

 long as second pair, triangular; plates and pec- 

 tinae arranged 2, 2, 2, 5-7, plates of median in- 

 cisura as long as median lobes, others broadly 

 deeply la,cinate distapectinae; setae very long 

 and stout, particularly those of second and third 

 pairs of lobes; genacerores (3-6)3-6. District of 



Columbia, England on Camellia, Arenga 



spinosus Comst. 



hh. Pygidium without pectinae or plates in median 

 incisura; median pair of lobes large, stout, promi- 

 nent, irregularly and obscurely excised; second and 

 third pairs of lobes minute, proximal portion 

 broad and distal portion aciculate; pectinae stout, 

 varying from deeply furcate furcapectinae to 

 plates, arranged 0, 2, 2, 6-9; setae long, stout, 

 longer than pectinae; spiracerores wanting; gena- 

 cerores (8-11)3-6; anus located slightly nearer 

 caudal margin than a line drawn through postgen- 

 acerores. Java on Erythrina pustulans Green. 



gg- Pygidium with median pair of lobes projecting but 

 little if any farther caudad than second pair, broad, 

 distal ends truncately rounded, faint mesal and lat- 



