356 THE COCCIDAE 



anus located on line drawn through cephalic end of 

 postgenacerores. — District of Columbia, England on 

 Cycas, Dion, palms cycadis Comst. 



ff. Pygidium with second pair of lobes small, not incised, 

 long, narrow, finely serrate; median pair of lobes nar- 

 row, divergent, confluent at proximal end, serrate; 

 plates four on each side of median lobes, simple, spine- 

 like, caudal three situated between median lobes and 

 third row of brevaceratubae, arranged 0, 0, 4; breva- 

 ceratubae with 2 oraceratubae in second row, third row 

 with 4-6 mesal and 5-7 lateral, fourth row with 4-5 mesal 

 and 6-7 lateral, and fifth row with 5 mesal and 6 lateral 

 oraceratubae; anus located near mesogenacerores, seven 

 times its width from caudal margin and about twice 

 cephalad of vulva; mesospiracerores 6-10, metaspira- 

 cerores 4-6; genacerores in eight groups, 2-4(14-20)21- 

 25, three cephalic groups of 2-5 each. — New South Wales 

 on Coprosoma. argcntosis Brittin. 



ee. Pygidium with median pair of lobes as far apart as width 

 of a median lobe. 



f. Pygidium with plate in each second incisura, plates 

 twice as long as lobes, arranged 0, 1, 2; median pair of 

 lobes distant, distal margin rounded, serrate; second pair 

 of lobes incised, mesal lobelet twice as large as lateral, 

 projecting slightly beyond median, distal end blunt, 

 lateral lobelet triangular; brevaceratubae prominent; 

 genacerores in eight groups, 2-5(11-17)17-27, three 

 groups cephalad of mesogenacerores, distant, in trans- 

 verse row, 3-4 cerores. — Natal on Carissa 



carissae Ckll. 



ff. Pygidium without plates in second incisurae, plates 

 small, inconspicuous, arranged 0, 0, 2; median pair of 

 lobes rounded, broad, distant, angles rounded, margins 

 entire; second pair of lobes small, incised, mesal lobe- 

 let slightly larger than lateral, triangular, entire; each 

 lateris with triangular lobe-like projections, arranged in 

 pairs; mesospiracerores 6-10; genacerores in eight 

 groups, arranged 1-10(14-20)23-36. three cephalic groups 

 of 4-9, 1-6, and 5-8 cerores. — Natal, Africa on Kiggelaria, 

 willow. kiggclariae Brain. 



dd. Pygidium with single pair of lobes; median pair of lobes 

 long, broad, divergent, not confluent, apparently entire; 

 plates apparently wanting; three or four large setae on 

 each side may be plates; brevaceratubae represented by three 

 distinct rows, third to fifth, on each side; anus about six 

 times its width from caudal margin and nearly twice 

 cephalad of vulva; lateres irregular; genacerores in eight 

 groups, arranged 4-6(20-30)20-30, three other groups in trans- 



