60 THE COCCID^VE 



with anal ring with anal ring setae; body of adult 

 female sometimes naked and globular or gall-like in 

 form. 



h. Adult female and female nymphs usually with 

 anal ring bearing anal ring setae, if anal ring 

 or anal ring setae are wanting in adult female, 

 body always bearing numerous cerores and com- 

 pletely covered with white mealy or powdery wax; 

 body of adult female never naked and globular or 

 gall-like in form. 



i. Abdomen of adult female bearing long mar- 

 supium formed of fused parallel plates or 

 lamellae of hard white wax excreted from 

 pilacerores; antennae consisting of four to nine 

 segments; rostrum consisting of two segments; 

 adult males with compound eyes.__ORTHEZiiXAE. 



ii. Abdomen of adult female never bearing mar- 

 supium formed of fused parallel plates of hard 

 wax and never provided with pilacerores; male 

 always with ocellanae. 

 j Antennae of adult female with eleven seg- 

 ments; female nymph and adult female with 

 anal lobes wanting; always with anal ring 

 with anal ring setae; rostrum consisting of 

 three segments; adult male with ocellanae 

 forming almost a complete ring around head. 

 Phenacoleaciiiixae. 

 jj. Antennae of adult female always with less 

 than eleven segments, five to nine segments, 

 sometimes rudimentary or wanting; female 

 nymphs always with anal lobes, usually dis- 

 tinct; adult females with anal lobes, some- 

 times only slightly indicated; adult female 

 sometimes without an anal ring and anal ring 

 setae, but first female nymph always with 

 anal ring and anal ring setae; rostrum con- 

 sisting of two segments; adult male with 

 ocellanae few in number and not arranged so 

 as to form an almost complete ring around 



head. Eriococcinae. 



hh. Adult female rarely with anal ring and female 

 nymphs always with anal ring and anal ring 

 setae; body of adult female gall-like in form and 

 usually found only on species of oak; cerores few 

 in number, venter sometimes but entire body 

 never completely covered with powdery or mealy 

 wax; body usually grayish or brownish in color, 

 frequently polished; antennae of adult female 

 consisting of six segments, rudimentary, or want- 



