SUBFAMILY LECANIINAE 171 



ff. Test of adult female always with a marginal fringe or 

 with radiating processes of hard wax. 



g. Test of adult female with seven prominent radiating 

 processes of wax, insect star-like in appearance; 

 opercularia present but small; antennae of adult fe- 

 male consisting of six segments Vinsonia Sign. 



gg. Test of adult female not with seven radiating pro- 

 cesses but with marginal fringe of prominent tooth- 

 like projections of wax; opercularia never present; 

 antennae of adult female consisting of seven seg- 

 ments. CtenocMton Mask. 



. Test of adult female glassy, thick or thin and brittle, 

 never opaque and thick. 



f. Test of adult female perfectly flat or only slightly con- 

 vex; antennae of adult female consisting of eight seg- 

 ments. 



g. Test with mesal part of dorsal portion subdivided 

 into small oval plates; body of adult female about 



as broad as long. Lagosinia Ckll. 



gg. Test apparently subdivided into four plates, one on 

 the dorsum, one on each side, and one at the caudal 

 end; body of adult female nearly twice as long as 



broad and anal ring with ten anal ring setae 



Alichtensia Ckll. 



ff. Test of adult female not flat, usually irregular in form 



and strongly convex, approaching spherical. 



g. Test of adult female conical with its surface fluted; 



antennae of adult female consisting of five segments; 



marginal setae numerous, short, sharp, and conical. 



Edwallia Hemp. 

 gg. Test of adult female not conical and if approaching 

 conical form, not longitudinally fluted, 

 h. Test of adult female with distinct air-cells. 



i. Insect living free, never forming galls on 

 plants; test of adult female always divided into 

 plates like the shell of tortoise and striated 

 with rows of air-cells, not free from body of 

 insect; antennae of adult female consisting of 



six segments. higlisia Mask. 



ii. Insects not living free, forming galls upon 

 roots of plants; test of adult female not divided 

 into plates and striated, air-cells running to- 

 gether, forming long air-spaces, not free from 

 body of insect; antennae of adult female con- 

 sisting of seven or eight segments 



Cryptinglisia Ckll. 

 hh. Test of adult female never with distinct air-cells, 

 i. Test of adult female divided by transverse de- 



