188 THE COCCIDAE 



peripheral band; anal ring normally with six anal ring 

 aetae, but may have two, four, or none; anal lobes and anal 

 setae small, sometimes wanting; first nymphal stage with 

 peripheral band of dorsal octacerores, antennae with six seg- 

 ments, and anal lobes and anal setae distinct 



Asterolecanium Targ. 

 dd. Body of adult female never with peripheral band of dorsal 

 octacerores. 



e. Dorsum of adult female with mesal band of octacerores; 

 anal ring obscure and apparently without anal ring setae; 

 first stage nymph with antennae of four segments, with- 

 out anal lobes and anal setae, without anal ring setae, 



and with peripheral band of dorsal octacerores 



CallococcMS Ferris 

 ee. Dorsum of adult female with numerous octacerores, but 

 not arranged in peripheral or mesal row; anal ring small 

 and obscure; first stage nymph with antennae of five seg- 

 ments, anal lobes and anal setae small, anal ring small 

 with four minute anal ring setae, and with four dorsal 



longitudinal rows of octacerores Mycetococcus Ferris. 



CO. Body of adult female never with dorsal octacerores. 



d. Adult female without prominent anal lobes or anal setae, 

 if present, small; anal ring with eight anal ring setae or 

 without; first stage nymph with four longitudinal rows of 

 octacerores, antennae with six segments, and anal ring with 



six anal ring setae PolUnia Targ. 



dd. Adult female with prominent anal lobes, with or without 

 anal setae; first stage nymph unknown or octacerores un- 

 identified. 



e. Adult female with prominent anal lobes bearing large 

 anal setae, longer than anal lobes; anal ring with eight 

 anal ring setae and without shield-shaped dorsal lip; 

 first stage nymphs with four longitudinal rows of cuticu- 

 lar circles, octacerores not identified, antennae with eight 



or nine segments, anal ring with anal ring setae 



Amclococcus Marchal. 

 ee. Adult female with large anal lobes bearing several small 

 setae, none as long as anal lobes, without distinct anal 

 setae; anal ring with six anal ring setae and with prom- 

 inent shield-shaped dorsal lip between anal lobes; anten- 

 nae atrophied, apparently with seven segments; nymphal 



stages unknown. OUiffia Fuller. 



bb. Adult female never living free, always enclosed in a woody gall. 

 c. Adult female with antennae of six segments and with distinct 

 legs; dorsal surface of adult female with numerous octa- 

 cerores. OJliffirlla Ckll. 



cc. Adult female with antennae and legs wanting, antennae at 

 most only tuborculate; dorsal surface of adult female without 

 octacerores. 



