284 THE COCCIDAE 



mesal, mesal lobelet sometimes with lateral 

 notch; plates arranged 2, 2, 6, those of each 

 lateris arranged in three equdistant groups of 

 two each. 



j. Genacerores 5-8(9-17)7-12; mesospiracerores 



6-9. Lepidosaphes beckii Newm. America, 



Europe, Africa, Asia, Australia on orange, 



lemon, citron, fig, grape-fruit, oak, croton, 



Elaeagnus, Banksia, Taxus, Pomaderris, etc. 



pinnaeformis Bouche. 



jj. Genacerores 11-11 (10-13) 11-11. Italy on 



olive. pinnaeformis oleae Leon. 



ii Body with series of stout spines on each side 

 of metathorax and each segment of preabdo- 

 men; pygidium with two distinct pairs of lobes 

 and broad inconspicuous slightly projecting 

 area in position of third pair; median pair of 

 lobes large, margins minutely denticulate, 

 sloping each side to blunt point; second pair 

 of lobes smaller than median, incised, mesal 

 lobelet much larger than lateral, lobelets blunt- 

 ly pointed; plates slender, arranged 2, 2, 6, those 

 of each lateris arranged in three equidistant 

 groups of two each; mesospiracerores numer- 

 ous, metaspiracerores wanting; genacerores 

 4-7(11-14)12-15; anus located cephalad of meso- 

 genacerores and vulva between postgenacerores. 



Australia on Cassinia cassiniae Green. 



hh. Pygidium with median pair of lobes bluntly 

 pointed. 



i. Genacerores 4-4(11-13)7-8; pygidium with me- 

 dian pair of lobes bluntly pointed and finely 

 serrate; second pair of lobes incised, lateral 

 lobelet much smaller than mesal; plates ar- 

 ranged 2, 2, 6, those of each lateris arranged 

 in three equidistant groups of two each; me- 

 dian incisura with marginal projecting point. 



India on Piper. piperis Green. 



ii. Genacerores 6-6(7-7)9-9; pygidium with me- 

 dian pair of lobes well developed with crenu- 

 late margins; second pair of lobes incised, 

 margins of lobelets crenulate; plates large and 

 prominent, arranged 2, 2, and several on each 



lateris. Japan on vine buzenensis Knw. 



gg. Pygidium with median pair of lobes blunt at distal 

 end, notched, not crenulate or finely serrate, some- 

 times with smaller indentations within notches; 

 mesogenacerores always arranged in two or more 

 transverse rows. 

 h. Pygdium with six plates on each lateris; median 



