SCALE INSECTS (" COCCID^ ") OF AUSTRALIA. 



19 



outer surface soft; dorsal surface convex; outer margins irregular; under 

 surface flattened or slightly concave ; legs and antennae well developed ; anal 

 segment produced into a distinct elongate tail. Length variable, up to 



^ inch. 



Puparium under normal conditions composed of a mass of pure white 

 accretion, forming a thick coating of a greasy, waxy, watery mass, rounded 

 and convex on the summit, but irregularly depressed round the sides, like a 



Fig. 9. — Ceroplastes ceriferns. 



iimall loaf of bread. This completely encrusts the coccid, so that the out- 

 ward appearance of the white wax scale is that of the puparium. Diameter, 

 up to nearly ^ inch. 



The presence of this coccid often produces quantities of black smut or 

 fumagine, which cover the infested twigs, branches, and foliage, and even the 

 coccids themselves. 



744. Ceroplastes ceriferus. Cat. Coccidse, p. 149. 



735. Ceroplastes australice. Cat. Coccidse, p. 148, 



