SUBFAMILY ERIOCOCCINAE 131 



ff. Body of adult female not naked, covered at least in part 

 by wax. 



g. Body of adult female uniformly covered with mealy 

 or granular wax, never with lateral tufts of cottony 

 lamellae-like wax; antennae of adult female with six 



or seven segments. Ericoccus Targ. 



gg. Body of adult female with the dorsal aspect naked, 

 but lateral aspects with prominent erect tufts of cot- 

 tony wax resembling lamellae or plates; antennae of 



adult female with six segments. Gossyparia Sign. 



dd. Anal ring always bearing more than eight anal ring setae, 

 e. Antennae of adult female consisting of seven segments; 

 anal ring of adult female with twenty to twenty-four anal 



ring setae. Lachnodius Mask. 



ee. Antennae of adult female always with less than seven seg- 

 ments. 



f. Antennae of adult female consisting of six segments; 

 anal ring of adult female with fifty or more anal ring 



setae. Lachnodiella Hemp. 



ff. Antennae of adult female consisting of three segments; 

 anal ring of adult female with twelve anal ring setae. 



Micrococcus Leon, 

 bb. Insects producing or living in galls upon plants. 



c. Antennae and legs normal in size and form, not rudimentary. 



d. Antennae of adult female consisting of seven segments; anal 

 ring of adult female with anal ring setae; galls subglobular 



swellings at the base of leaf Atriplicia Ckll. & Rohw. 



dd. Antennae of adult female consisting of six segments; anal 

 ring of adult female without anal ring setae; galls formed on 



both sides of leaf; anus guarded by four sharp setae 



Tectococcus Hempel. 



cc. Antennae and legs rudimentary; antennae of nymphs of first 

 stage consisting of six segments; anal ring with long setae; 



galls cup-shaped and growing upon branches 



Cissococcus Ckll. 



aa. Thorax of adult female not with three pairs of normal legs, some or 

 all of them greatly reduced or wanting, 

 b. Anal ring of adult female always with anal ring setae. 



c. Anal ring of adult female and of first stage nymph always 



with six or less anal ring setae. 



d. Anal ring of adult female and first stage nymph with six 

 anal ring setae. 



e. Abdomen never with ventral cribiform plate caudad of 

 each metaspiracle. 



f. Nymphs of first stage not with rows of dorsal setae; 

 adult female with stub-like vestigial antennae, usually 



