TRIBE DIASPIDINI 323 



lateral notch; plates and pectinae arranged 0, 1, 1, 7, each, 

 lateris with caudal and cephalic projections, plates, others 

 furcapectinae, arranged 1-1-1-1-1-1-1; marginal altaceratubae 

 four, opening in latadentes, located in second and third in- 

 cisurae and cephalad of caudal plate and between third and 

 fourth from caudal end; margin where fourth pair of lobes 

 would be located, not produced but serrate; genacerores 

 4-4(10-10)8-8; pygidium of second nymphal female similar to 

 adult. South Africa on Strychnos stilosa Lindgr. 



dd. Body with meson of cephalic margin never with mesal plate- 

 like projection; pygidium with median pair of lobes minute, 

 subtriangular, divergent, mesal margin sometimes notched; 

 second pair of lobes incised, mesal lobelet larger than lat- 

 eral, both broadly rounded, entire; third pair of lobes simi- 

 lar in form and size, incised, entire; plates stout, longer 

 than lobes, arranged 0, 1, 1, 6, those of each lateris broader 

 at proximal end, arranged l-( 1-1) -1-1-1; anus located caudad 

 of vulva; altaceratuba opening in mesal latadentis, four 

 marginal altaceratubae opening in latadentes; mesospira- 

 cerores 0-1; genacerores 7-9(13-16)11-14; pygidium of second 

 nymphal female with two pairs of lobes, median pair plate- 

 like, strongly divergent. German East Africa on Loranthus. 



parva Lindgr. 



SPECIES OF UMBASPIS 



'Scale of adult female circular, yellowish or creamy white in color, 

 exuviae tilted; body pyriform; pygidium with median pair of lobes 

 distant, small, projecting, meso-distal angles rounded, entire; second 

 and third pairs of lobes incised, lobelets small, truncately rounded, 

 subequal, entire; one lobe-like projection in each second incisura and 

 three in third; single plate in third incisurae adjacent to third lobe 

 and two cephalad of it; prominent spine-like projection just cephalad 

 of cephalic plates, two plates adjacent to its cephalic margin and 

 three others equidistant from each other and two plates adjacent to 

 spine-like projection; altaceratubae arranged, one in median and each 

 second incisura, two in each third incisura, and two associated with 

 each third pair of lobes, and one with each spine-like projection; meso- 



spiracerores 0-1; genacerores 8-11(16-19)13-16. Uganda, Africa 



regularis Newst. 



SPECIES OF RUTHERFORDIA 



Pygidium with median pair of lobes fused, forming single lobe, promi- 

 ment, broader than long, sides parallel on proximal portion, converg- 

 ing on distal portion, rounded at distal end; incisura cephalad of me- 

 dian lobe short, heavily chitinized, two sides fused; plates numerous, 

 long, those of each lateris in three groups, separated by minute, point- 

 ed, hyaline, lobe-like projections, arranged 11-12-11, cephalad of these 

 plates, four groups of similar plates, decreasing in size toward cephalic 

 end; genacerores in five groups, very numerous, 100 mesogenacerores ; 

 mesospiracerores and metaspiracerores present; brevaceratubae nu- 

 merous. Ceylon on Mallotus malloti Ruth. 



