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. ichesii I.ieon. 



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. 



SPECIE'S 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 furcapectinae; 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. j)hUococcus 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- 



