- 11 
1922 
Wille, J. (48) 
Die biologische Bekampfung der Blutlaus in Uruguay. 
Nachrichtenbl. f. den Deut. Pflanzenschutzdienst 2(2): 10-11. 
Discusses the introduction of Aphelinus mali into Uruguay to 
control Eriosoma lanigerum . 
1923 
Anonymous (49) 
Report on the work of the entomological stations of Paris and the 
south of France for the year 1922. Ann. des Epiphyt. 9(6): 
443-463. 
Aphelinus mali was reared at the Mentone station. 
Departmental activities: entomology. So. Africa Dept. Agr. 
Jour. 6(4): 288-290. 
In February a high percentage of the woolly apple aphid was 
attacked by the recently introduced Aphelinus mali. 
(50) 
(51) 
La defensa agricola en el extranjero. Exito de los envios de 
insectos auxilares. /Urugua^/ Defensa Agr. Bol. Mens. 4 
(5-6): 57-58. 
Aphelinus mali was established in Uruguay. Shipments were 
sent to- Italy and Germany. 
Brtthes, J. (52) 
Seccion entomologia. Inst. Biol. Soc. Rural Argentina, Mem. 
Mayo 1922-23: 37-44 
Aphelinus mali introduced from Uruguay for the control of the 
woolly apple aphid has surpassed expectation. 
Crouse, F. L. (53) 
La accion del Aphelinus mali en Chile. [Vrugua^J Defensa Agr. 
Bol. Mens. 4(7-8): 79. 
Excellent results have been obtained in Chile with A. mali , 
imported from Uruguay against the woolly apple aphid. 
