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23. Pulvinaria mesembrianthemi Vail. 



BIBLIOGRAPHY : Newstead, Mon. Brit. Cocc., Vol. ii, p. 69. 



The young female is a pale green turning to yellowish brown 

 as it nears the adult stage. The adult is ovate, brown or yellowish 

 brown, slightly convex with three or four well marked corrugations 

 set close together running across the middle. The ovisac is white 

 with a very smooth surface and arises from beneath the body and 

 projects posteriorly. 



Length of adult female 3^ millimetres. Breadth 2-3 millimetres. 

 Length of ovisac 5-8 millimetres. 



HOST PLANT. 



Aizoaceae Mesembryanthemum sp. 



PART OF PLANT ATTACKED. 



The fleshy triangular-in-cross section leaves. 



REMARKS. 



Very common at Alexandria, but so far it has not been collected 

 elsewhere. 



24. Saissetia (Lccanium) hemisphaerica Targ. 

 (THE HEMISPHERICAL SCALE). 



BIBLIOGRAPHY: Newstead, Mon. Brit. Cocc., Vol. ii, p. 113. 

 Green, Cocc. of Ceylon, Part iii, p. 232. 



Adult female varying from light brown to dark brown, more 

 or less hemispherical and ovate ; very highly convex, dorsum smooth 

 and shining. The young females have three carinac forming the letter 

 H ; this has almost entirely disappeared in the adult female. The 

 eggs, which are pale pink, are laid beneath the body of the parent 

 female. 



Length 2-3 millimetres. Breadth 1-5-2 millimetres. 



HOST PLANTS. 



Acanthaceae * Justicia alba, Thunbergia sp. 



Cycadacese Cycas revolwta. 



Filices Unknown species of fern. 



Leguminosse Bauliinia sp. 



Pittosporaceae Pittosporum sp. 



Solanacese Solatium sp. 



