354 THE coccroAE 



anus located between postgenacerores; dorsal oraceratubae arranged 

 in two short series; mesospiracerores 4-5; setae longer than lobes; 

 genacerores 14-14(18-19)16-18. — South west Africa on "grass-like 

 plant." africana Newst. 



SPKCIES OF CONTIGASPIS 

 a. Pygidium with genacerores 8-9(12-14)13-15; median pair of lobes 

 short, broad, broader than long, adjacent, sometimes appearing as 

 if fused; other lobes wanting; plates wanting; setae adjacent each 

 median lobe very long, others on lateres shorter; lateres irregularly 

 crenulate; marginal and submarginal altaceratubae present; dorsal 

 oraceratubae numerous and extending to margin; anus located be- 

 tween postgenacerores; mesospiracerores 4, metaspiracerores want- 

 ing. — Southwest Africa. subnudata Newst. 



aa. Pygidium with genacerores 2-4(9-12)14-22; median pair of lobes 

 distinct, fused at proximal end, lateral margin oblique, longest, dis- 

 tinct lateral notch, mesal margin oblique; setae about as long as 

 lobes; plates wanting; lateres irreglarly crenulate; altaceratubae 

 small, seven on each side, arranged 2-2-3; anus and vulva not de- 

 scribed. — South Africa on Scutia scutiae Brain. 



SPECIES OF NATALASPIS 

 Pygidium without lobes or plates, margin coarsely corrugate or undu- 

 late, mesal portion prolonged, rounded; setae normal in size; oracera- 

 tubae not abundant; genacerores 18-25(24-32)48-60. — Adult female con- 

 tains well developed embryos. — Chionaspis simplex Brain (not Green). — 

 Natal, Africa on bamboo simplex Brain. 



SPECIES OF PARACIIIONASPIS 

 Pygidium with median pair of lobes prominent, conical processes, pro- 

 jecting, mesal margins entire, lateral serrate; second pair of lobes 

 incised, lobelets serrate, subequal, each subequal to a median lobe, 

 mesal margin of mesal lobelets entire, lateral margin and both mar- 

 gins of lateral lobelets serrate; plates minute, arranged 0, 1, 3, short- 

 er than lobes, those of each lateris arranged 1-1-1; lateres with deep 

 indentations; genacerores 18-22(24-32)20-30; mesospiracerores and 

 metaspiracerores present; altaceratubae apparently three on each side; 

 brevaceratubae promiscuously arranged; anus more than its own width 

 cephalad of vulva; forming galls on young stems, petioles and mid- 

 ribes of leaves. — Ceylon on Hedyotis. galliformcns Green. 



SPECIES OF PARLATOREOPSIS 

 Antennae with single strongly curved and deeply forked spine; pygidium 

 with median pair of lobes large, bluntly rounded, mesal notches want- 

 ing, two lateral notches; second pair of lobes smaller, as long as 

 broad, not incised, mesal margin straight, lateral margin obliquely 

 rounded, notched or dentate; plates arranged 0, 0, 2, plates located 

 near but not adjacent to second pair of lobes, appear like incised third 

 lobe, not longer than lobes, bluntly pointed; setae very long, particu- 

 larly those of cephalic half of each lateris; each lateris with two 



