132 THE COCCIDAE 



consisting of three segments and without legs; rostrum 

 not located on prominent protuberance, 

 g. Abdomen of adult female sometimes with the caudal 

 end more or less invaginated, forming anal tube with 

 anal ring with six large anal ring setae; first stage 

 nymph with antennae consisting of six segments and 

 anal ring with six anal ring setae. 



h. Adult female and first nymphal stage with cau- 

 dalabiae; adult female enclosed in tough cottony 



ovisac from which projects small tube of wax 



Antonia Sign. 



hh. Adult female without caudalabiae and first nym- 

 phal stage with cephalabiae and caudalabiae; last 

 nymphal stage of female with legs; adult female 

 enclosed between small scales, clothing base of 



long pointed gall Sphaerococcus Mask. 



gg. Abdomen of adult female with caudal end not invagi- 

 nated to form anal tube; anal ring with six small 

 anal ring setae; first stage nymph with antennae 

 consisting of six segments and with anal ring with 

 six slender anal ring setae; body apparently without 

 cephalabiae and caudalabiae; adult female enclosed 



under sheathing base of host plant 



Paludicoccus Ferris. 



ff. Nymphs of first stage with rows of dorsal setae; adult 

 female with antennae rudimentary, consisting of three 

 segments, and without legs; rostrum borne by promi- 

 nent cephalic prolongation; antennae of first stage 



nymph consisting of six segments Nidularia Targ. 



ee. Abdomen with circular cribiform plate on ventral aspect 

 caudad of each metaspiracle; antennae of adult female 

 consisting of one segment and of first stage nymph consist- 

 ing of three segments; adult female without legs 



Kuwanina Ckll. 



dd. Anal ring of adult female and of first stage nymph with four 

 short spine-like setae; antennae of adult female vestigial, 

 consisting of about four segments; metathoracic legs vesti- 

 gial, others wanting; antennae of first stage nymph consist- 

 ing of five segments; body without labiae. 



Cryptococcus Dougl. 



cc. Anal ring of adult female and of first stage nymph with seven- 

 teen anal ring setae; abdomen with prominent tubercle caudad 

 of each metaspiracle; antennae and legs of adult female want- 

 ing; nymphs of first stage with antennae consisting of seven 



segments. Kermicus Newst. 



bb. Anal ring of adult female described as without anal ring setae; 

 antennae of adult female vestigial, segmentation difficult to iden- 

 tify, about three segments, legs always wanting; antennae of first 

 nymphal stage consisting of six segments, anal tubercles small 



