TRIBE LEPIDOSAPHINI 295 



placed near third lobe, two adjacent near cephalic end. Ja- 

 maica on Croton. crotonis Ckll. 



SPECIES OF DINASPIS 



a. Pygidium with three pairs of lobes; median pair short, bluntly 

 rounded, entire, less than width of one of them apart; second pair 

 of lobes similar in size and form to the first pair, entire; third pair 

 of lobes small, inconsipicuous, distant from second pair; plates ar- 

 ranged 2, 1, 1, 0, small, only slightly longer than lobes, those of 

 each second incisura adjacent to second lobe; oraceratubae situated 

 one in each second incisura, two in each third incisura and adjacent, 

 one adjacent to cephalic margin of each third lobe, fifth slightly far- 

 ther cephalad. Argentina on Ephedra. icTiesii Leon. 



aa. Pygidium with two pairs of lobes; median pair of lobes short, blunt- 

 ly rounded, entire, twice width of one of median pair of lobes apart; 

 second pair of lobes small, not incised, entire, bluntly pointed, dis- 

 tant from median pair of lobes; plates arranged 2, 1, 3, those of 

 each lateris situated one near second lobe, two short distance ce- 

 phalad; oraceratubae situated, one in each second incisura, five 

 others equidistant from each other and one in second incisura. 

 Argentina on Bulvesia. lahillei Leon. 



SPECIES OF ALLANTOMYTILUS 



Pygidium with caudal margin truncate and bearing three pairs of simi- 

 lar, very distinct, subequal, triangular lobes with mesal and lateral 

 margins faintly notched; plates arranged 2, 2, 2-3, 1, all subequal in 

 size and much longer than lobes; segments of preabdomen with their 

 lateral margins bearing three or four broad f urcapectinae ; scale of 

 male and female with six or more deep transverse constrictions. Aus- 

 tralia on Litsea. maideni Mask. 



SPECIES OF OPUNTIASPIS 



a. Pygidium with three pairs of lobes; median pair prominent, distant, 

 broadly rounded, slightly notched; second pair of lobes twice in- 

 cised, cephalic and median lobelets subequal, bluntly pointed, small- 

 er than median lobelet, entire; third pair of lobes equally promi- 

 nent, once incised, lobelets bluntly pointed, entire; plates arranged 

 2, 1, 1, 2, 6-7, those of each lateris in two groups, two situated near 

 each third lobe, four or five spaced on cephalic portion; mesospira- 

 cerores 5-6; each lateris indented and finely serrate. Mexico on 



Yucca, Agave. philococcus Ckll. 



aa. Pygidium with two pairs of lobes; median pair of lobes long, prom- 

 inent, bluntly pointed, slightly constricted at proximal end; second 

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

 pointed, each subsimilar to median lobe; plates arranged 2, 1, 2; 

 each lateris cephalad of second lobe with two latadentes, each with 

 an oraceratuba, each second incisura with latadententis with oracera- 



tuba between plate and second lobe. Java on Agave 



javanensis Green. 



SPECIES OF PARISCHNASPIS 



Pygidium of adult female without genacerores; median pair of lobes 

 broadly rounded, strongly oblique, distinctly separated, crenulate; sec- 



