[Coccidæ.]

Adult females having antennæ of seven joints; no hairs on anogenital ring

[Coccus.]

Subdivision IV.

Adult females active or stationary; naked, or covered with mealy, waxy, or cottony secretion; antennæ of ten or eleven joints; anterior pair of feet similar to the rest; anogenital ring without hairs; anal tubercles inconspicuous. Males with facetted eyes and no ocelli

[Monophlebidæ.]

Adult females with elongated antennæ of eleven joints; covered with mealy or cottony secretion; with or without ovisac; rostrum present

[Icerya.]

Adult females with antennæ of eleven joints; naked, or covered with cottony or mealy secretion; rostrum absent