TRIBE ASPIDIOTINI 465 



and form; setae long, three on each side, one near to and 

 cephalad of each lobe, and near middle of each lateris; anus 

 located near cephalic part of pygidium; margin of segments 



of preabdomen distinctly toothed. Java on Myristica 



javanensis Green. 

 SPECIES OF XEROPHILASPIS 



Pygidium of adult female with two pairs of small subequal lobes, broader 

 than long, margin rounded, entire; median incisura normal, one-half 

 width of second; pectinae or plates wanting; setae minute, shorter than 

 lobes; ceratubae small, nolt abundant; anus four times its width from 

 caudal margin and once from vulva; calles obsolete; pygidium of 

 second nymphal female with median pair of lobes large, subtruncated, 

 angles rounded, as long as broad, protuberant, entire; second pair of 

 lobes similar in form to median, smaller; third pair of lobes four or 

 five times as broad as long, mesal margin straight, lateral margin 

 oblique, emarginalte, slightly crenulate; plates small, shorter than 

 lobes, arranged 0, 1, 1, 0; anus over eight times its width from caudal 

 margin. Arizona on Prosopis. prosopidis Ckll. 



SPECIES OF PHAULASPIS 



a. Pygidium of adult female transverse, truncated, hardly projecting 

 beyond the margin; preabdomen fringed with six small equidistant 

 setae, minutely serrate; pygidium of second nymphal female with 

 single pair of lobes; median pair of lobes elongate with slightly 

 converging sides, bluntly pointed, entire, distant; pectinae or plates 

 wanting; each lateris with three deep indentations limiting areas 

 with prominent caudal angles; each median lobe and each of two 

 caudal projections bearing two setae; mesospiracerores present. 



Australia on Hakea. hakeae Mask. 



aa. Pygidium of adult female transverse, truncated, distinctly project- 

 ing beyond the margin, entire, deep mesal incision; lobes, pectinae 

 or plates, and setae wanting; pygidium of second nymphal female 

 with four simple lobes, scarcely projecting, extending cephalad 

 paraphysis-like, adjacent, inconspicuous; cephalad of lobes two large 

 deep inconspicuous clefts; pectinae or plates wanting; pygidium 

 of first nymph with two lobes with single deep cleft on each side. 

 Gymnaspis grandis Green. Seychelles on Lodoicea.__grrantZis Green. 



SPECIES OF ANCEPASPIS 



Pygidium of adult female strongly narrowed at middle; lobes and 

 pectinae or plates wanting; caudal margin with two deep, narrow, 

 parallel emarginations, extending for one-half length of narrowed por- 

 tion; mesal portion between emarginations with rounded angles, 

 bearing single seta on each side near caudal end of emarginations; 

 each lateral portion bordering emargination narrower than mesal, 

 angulate at caudal end; anus about eighteen times its width from 

 caudal margin and once from vulva; body cephalad of constricted 

 portion broadly rounded; pygdidium of second nymphal female rounded, 

 entire, two undulations where median lobes usually located with 

 emargination between; setae minute, more numerous than in adult; 

 anus six times its width from caudal margin; lobes and pectinae or 

 plates wanting; pygidium of first nymph without lobes, short setae, 

 and anal setae. Arizona on Prosopis tridentata Ferris.. 



