442 * THE COCCIDAE 



aa. Pygidium with four pairs of paraphyses; lobes in four pauo, median 

 pair entire, second pair with single notch, third pair minutely ser- 

 rate with four notches, and fourth pair broad and serrate; each lat- 

 eris with three small prominences; anus located considerable dis- 

 tance from caudal margin. — New Mexico on Quercus lilacina Ckll. 



SPECIES OF MYCETASPIS 

 Body with broad, rotund, cephalic, constricted, head-like area; median 

 pair of lobes triangular, entire or faintly notched; second pair of lobes 

 broad, shorter than median, one or more notches; third pair of lobes 

 as broad as second, distal margin dentate; plates short, rudimentary, 

 arranged 1, 2, 2, 3, those of each lateris not longer than third lobe, 

 one of median incisura deeply bifurcate; each lateris with three broad, 

 serrate, lobe-like projections on caudal half; paraphyses arranged in 

 four pairs, first pair longest, associated with second incisurae, second 

 pair with third incisurae, slightly shorter than first, third and fourth 

 pairs near together, associated with cephalic end of third lobe. — West 

 Indies, Mexico, Guiana, England on orange, Areca, Sabol, Jasminum, 



plantain, banana, mango, fig, Tillandosia, Anacardium 



personata Comst. 



SPECIES OF PAR.\ONIDIELLA 

 Pygidium with median pair of lobes narrow, bluntly rounded, mesal and 

 lateral margins subparallel; second pair of lobes much broader than 

 long, deeply incised, mesal lobelet larger than lateral, lobelets truncate- 

 ly rounded; third pair of lobes short, -nider than mesal lobelet, sub- 

 truncate; pectinae short, broad distapectinae, not projecting beyond 

 lobes, arranged 2, 2, 2, 0; each lateris irregularly indented with very 

 large prominent seta near middle of its length; paraphyses arranged 

 in eight pairs, eighth pair longest, third pair next in length, others 

 much shorter. — Australia, Natal, south Africa on Cladium, Lepido- 

 sperma, Xerotes, sedges, aloe cladii Mask. 



SPECIES OF AONIDIELLA 

 a. Pygidium with seven or eight pairs of paraphyses. 



b. Pygidium with nine pairs of paraphyses, second, fifth, and ninth 

 pairs subequal and longest, seventh pair one-fourth shorter than 

 ninth and next in length, first, third, sixth, and eighth pairs sub- 

 equal and slightly shorter than seventh, fourth pair one-third short- 

 er than third and shortest; median pair of lobes broader than long, 

 rounded, slightly oblique; second and third pairs of lobes similar, 

 subequal, lateral margins oblique, crenulate; lateres with lobe- 

 like projections; pectinae subequal in length to lobes, furcapec- 

 tinae. arranged 1, 2, 2, 2, those of each lateris adjacent to third 



lobe. — South Africa on Acacia (not Mimosa) phenax Ckll. 



bb. Pygidium with less than nine pairs of paraphyses. 



c. Pygidium with eight pairs of paraphyses, second pair one-half 

 length of first, slightly longer or subequal to second, third, 

 fifth, sixth, and eighth pairs longest and slightly longer than 

 subequal first and seventh; median pair of lobes rounded, one 

 or more lateral notches; second pair of lobes longer than 



