1) Arthropod family 2) Family coccidae 3) Scale insects 
The Coccidae are a family of scale insects belonging to the superfamily Coccoidea. They are commonly known as soft scales, wax scales or tortoise scales. The females are flat with elongated oval bodies and a smooth integument which may be covered with wax. In some genera they possess legs but in others, they do not, and the antennae may be shorten...
[n] - scale insects
family Coccidae noun scale insects