INTRODUCED COCCIDS IN SOUTH AFRICA IN 1917. 183 



19. Coccus indicus, Green. 



Introduced by the Queensland Prickly Pear Commission in 1913 to destroy 

 Opuntia monacantha. It is now well established in the Cape Peninsula, Komgha. 

 Natal and Pretoria, and was recently received from Mtunzini in Zululand. 



Subfamily Lecaniinae. 



20. Lecanium hesperidum, Linn. 

 Widely distributed and common. 



21. Lecanium elongatum, Sign. 

 Johannesburg and Pretoria. 



22. Saissetia hemisphaerica (Targ.). 



Cape Town, Grahamstown, Durban, Pietermaritzburg, Pretoria and Johannesburg 

 (pot plants). 



23. Saissetia nigra, Nietn. (S. nigrella, King). 

 Bayville C.P., and Natal coast (on Ficus spp. only). 



24. Saissetia oleae, Bern. 



Cape Peninsula, Ceres, Port Elizabeth, Queenstown, Stellenbosch, Uitenhage, 

 Fort Beaufort, Durban, Pietermaritzburg and Pretoria. 



25. Protopulvinaria piriformis, Ckll. 

 Durban (Pietermaritzburg, ex Durban). 



Subfamily Diaspinae. 



26. Aspidiotus destructor, Sign. 

 Durban and Inchanga (uncommon). 



27. Aspidiotus fimbriatus var. capensis, Newst. 

 Port Elizabeth (on Cycads only). 



28. Aspidiotus (Diaspidiotus) forbesi, Johns. 



Cradock, Pietermaritzburg, Potchefstroom and Bethlehem. 



29 Aspidiotus hederae (Vail), Sign. 

 Widely distributed throughout the Union, and common. 



30. Aspidiotus (Hemiberlesea) lataniae, Sign. 

 Generally distributed. 



31. Aspidiotus (Hemiberlesea) rapax, Comst. 

 Johannesburg, Louis Trichardt and Pretoria. 



32. Aspidiotus (Diaspidiotus) perniciosus, Comst. 



In most centres an attempt has been made to eradicate this insect as soon as^ 

 discovered. It has been reported from : — Estcourt, Frere, Hilton Road, Ladysmith, 

 Moorleigh, Newcastle, Pietermaritzburg, Utrecht, Vryheid, Weenen, Winterton, 

 Dundee and Richmond, in Natal ; Amersfoort, Benoni, Bethal, Boksburg, Boskop, 

 Bronkhorstspruit, Cullinan, Heidelberg, Johannesburg, Middelburg, Nylstroom, 

 Pretoria, Rayton, Scheerpoort, Standerton and Witbank, in the Transvaal ; 

 Kroonstad and Viljoen's Drift, in the Orange Free State. 



