424 MargarodincE. 



b^. Tibiae of female without knobbed setae. 



a". Antenna eight-nine-jointed ; limbs of larva 



normal , (Xylococcus.) 



b^. Antenna ten-jointed ; limbs of larva crab-like 



(Matsucoccus.) 



B. Males with faceted eyes, but without dorso-abdominal tufts. 



Females with not more than two digitules on claw 



(CCELOSTOMIDIA.) 



C. Males with simple eyes ; without dorso-abdominal tufts. 



Females with more than two digitules on claw. 



a. Antenna of female eight-jointed ; buccal apparatus vesti- 



gial (Steingelia.) 



b. Antenna of female seven-jointed ; buccal apparatus well 



developed and functional (Stomacoccus.) 



j 



