SYNOPSIS OF GENERA. 79 



female with not more than four groups of 

 circumgenital glands ; margin of pygidium with 

 large tubular spinnerets, the pores of which are 

 recessed, giving the margin a crenulated cha- 

 racter. 



(iv) . . . PARLATORIA (4). 



b. b. Dorsal tubular spinnerets forming distinct 

 bands. 



Puparium of adult female pyriform or subcircular. 

 Exuviae invariably terminal in the second- 

 stage female; those of the adult either at 

 margin or just within it. Not more than five 

 groups of circumgenital glands in adult female. 

 Male puparium carinated. 



(v) . . . . AULACASPIS (6). 



Puparium of adult female elongate, widened poste- 

 riorly. Exuviae always at the cephalic extremity. 

 Adult female possessing more than five groups 

 of circumgenital glands. Male puparium non- 

 carinated. 



(Vl) .... POLIASPIS (7). 



Puparium of adult female pyriform, as in the 

 preceding ; exuviae terminal. Adult female with 

 not more than five groups of circumgenital 

 glands. Male puparium carinated. 



(vu) . . . CHIONASPIS (8). 



b. b. b. Dorsal tubular spinnerets absent ; circum- 

 genital glands in not more than five groups. 

 Puparium of adult female consisting chiefly of 

 the moulted skin (exuviae) of the second-stage 

 female, which completely encloses the adult 

 insect. Larval exuviae terminal. Male puparium 

 carinated. 



(Vlll) .... FlORINIA (3). 



C. Character of male puparium doubtful. 



Puparium of adult female elongate, with exuviae 

 terminal ; that of the second- stage female very 

 large, but not enclosing the adult insect. 



(ix) . ' . PINNASPIS (10). 



