TRIBE ASPIDIOTINI 395 



b. Pygidium of adult female with two groups of genacerores and with 



distinct lobes. Type, Odonaspis schizostachyi Ckll. & Rob 



Bakeraspis MacG. 



bb. Pygidium of adult female never with genacerores. 

 c. Pygidium of second nymphal female with pectinae. 

 d. Pygidium of second nymphal female with two or three pairs 



of lobes and prominent lacinate pectinae on each lateris 



Greeniella Ckll. 

 dd. Pygidium of second nymphal female with three pairs of lobes 



and without pectinae on each lateris Aonidia Targ. 



cc. Pygidium of second nymphal female without pectinae. 



d. Pygidium of adult female never with two deep parallel sec- 

 ondary incisions; scale always consisting of wax and a first 

 exuvia, frequently shed from old scales; adult female en- 

 closed in a puparium. 



e. Pygidium of adult female with two pairs of small lobes; 

 pygidium of second nymphal female with three pairs of 



lobes. Xerophilaspis Ckll. 



ee. Pygidium of adult female with single, subquadrate, lobe- 

 like, mesal area; pygidium of second nymphal female with 



single pair of lobe-like projections. Cryptoaonidia Leon 



Phaulaspis Leon. 



dd. Pygidium of adult female always with two deep, parallel, 

 secondary incisions; scale of male and female never contain- 

 ing any wax; adult female and male enclosed in puparia 



Ancepaspis Ferris. 



SPECIES OF OCTASPIDIOTUS 



i. Pygidium of adult female with median pair of lobes entire. 

 b. Pygidium with median pair of lobes broadly rounded, not trun- 

 cate, entire; second pair of lobes narrower, as long as median 

 pair, entire; third and fourth pairs of lobes minute, pointed, much 

 smaller than second pair; pectinae long and slender, much longer 

 than lobes, unapectinae or latapectinae, arranged 1, 1, 1 or 2, 1 



or 2, 2; genacerores (15-15)9-10. New Zealand on Atherosperma. 



atherospermae Mask. 



bb. Pygidium with median pair of lobes truncate or slightly emargi- 

 nate, not notched at distal end. 



c. Pygidium with pectinae longer than lobes; median pair of lobes 

 truncate or slightly emarginate at distal end, not notched; sec- 

 ond and third pairs of lobes narrower, rounded at distal end, 

 each with lateral notch; fourth pair of lobes small, distal end 

 acute; pectinae between lobes broad, deeply lacinate, those of 

 each lateris long, slender, few lacinations, arranged 2, 2, 3, 3, 

 4 to 5; genacerores (16-18)10-12. Australia on Banksia, Eu- 

 calyptus, Pittosporum subrubescens Mask. 



cc. Pygidium with pectinae subequal or shorter than the lobes, 

 deeply lacinate; adult female larger, more circular, pygidium 



