58 THE COCCIDAE 



with leaf -like scale without exuviae; tibio-tarsal sutures rarely 

 obsolete, if so, body bearing pilacerores. 



c. Abdomen of adult female never longitudinally cleft at caudal 

 end with pair of opercula at cephalic end of cleft, if apparently 

 cleft and provided with opercula, cuticle usually bearing 

 octacerores in some of nymphal stages and usually also in 

 adult female, frequently provided with cribiform plates if 

 provided with octacerores. 



d. Body of adult female never with mouth-parts at one end and 

 (three tubular projections with associated spine.-like projec- 

 tion; never enclosed in resinous cell with three adjacent 

 openings; mesothoracic spiracles never associated with stig- 

 matic processes located near anus. 



e. Adult female and female nymphs rarely provided with 

 octacerores, if so provided, also provided with ventral 

 cribiform plates; never with dorsal cribiform plates; 

 rostrum usually consisting of two or three segments, if 

 of only one segment, abdomen invaginated to form a 

 marsupium. 



f. Body of adult female never flask-shaped or peg-top- 

 shaped; abdomen with sides uniformly convex, not 

 strongly convergent caudad, as broad as or broader than 

 thorax at cephalic end and usually as long as or longer 

 than thorax. 



g. Adult female and female nymphs always without 

 anal ring and without anal ring setae; body of adult 

 female never naked and globular or gall-like in form. 



h. Mouth-parts always present in adult female; adult 

 male with compound eyes or ocellanae. 

 i. Adult female with all legs present and subequal 



in length. 



j. Antennae of adult female consisting of eight 

 to eleven segments, rarely only seven, artic- 

 ulated to ventral aspect near lateral margin 

 of head; cuticle never bearing short truncate 

 setae; rostrum consisting of two or three 

 segments; adult male with compound eyes. 



MONOPHLEBINAE. 



jj. Antennae of adult female consisting of seven 

 short segments, articulated to ventral aspect 

 as far from lateral margin as from each 

 other; cuticle usually bearing short truncate 

 setae; rostrum consisting of two inconspic- 

 uous segments; adult male with ocellanae. 



COCCINAE. 



i. Adult female either with all legs wanting or 

 with all but one pair wanting, if all legs are 

 present, one pair is two or three times as 



