WHOLE VOL. APPLIED ENTOMOLOGY HOWARD 455 



entitled "La Bibijagua y modes de Combatirla " (The Leaf-cutting 

 Ant [Atta insnlaris, GuerinJ and its Control). 



Sr. Oscar Arango published several short articles in the official 

 Revista de Agricultura, Comercio y Trabajo (Habana) on economic 

 insects, and in 1927, Circular 63 on the preparation and application 

 of insecticides ; also a leaflet, prepared jointly with S. C. Bruner, on 

 the control of the black fly (AlciirocontJius woglumi Ash.) published 

 in 1928. 



The contributions of S. C. Bruner, aside from work in plant pa- 

 thology, mycology, and systematic entomology (Hemiptera and LIo- 

 moptera) consist of Bulletin No. 38 of the Experiment Station on 

 the diseases of the orange and other Citrus plants, prepared jointly 

 with Prof. J. R. Johnston (August, 1918), in which are considered 

 the rust mite and red spiders attacking these plants in Cuba ; a paper 

 on the transmission of sugar cane mosaic by insects (Revista de 

 Agricultura, Comercio y Trabajo, Vol. 5, No. i, March, 1922), obser- 

 vations on the Citrus black fly, on certain sugar cane pests, on the seed 

 chalcid of annonaceous fruits {Bcphrata cubcnsis Ashm.), notes on 

 royal palm bug (Xylastodoris lufeolus Barber), on the green Citrus 

 aphid in Cuba (Aphis spiraecoJa, Patch) , on the use of paradichloro- 

 benzene for destroying the leaf-cutting ant {Atta insnlaris, Guerin), 

 on the use of calcium cyanide for destroying the same insect (with 

 S. W. Bromley), on scale insects attacking coffee in eastern Cuba, on 

 the appearance of the cottony cushion scale (Iccrya purchasi. Mask.) 

 in Cuba and the subsequent importation of Rodolia cardinalis, etc., 

 published largely in the Revista de Agricultura, Comercio y Trabajo. 

 He is also author of the general report of the work of the Department 

 of Plant Pathology and Entomology for the years 1925 to 1928, etc., 

 included in the " Memoria General de la Secretariade Agricultura, 

 Comercio y Trabajo" (1928), Habana, and of Circular No. 68 

 (June, 1929) of the Experiment Station, on the pests of the coffee 

 plant in Cuba. 



In November, 1928, an agreement was entered into between the 

 Departments de Agricultura of Cuba and the LTnited States for the 

 importation into Cuba, from the Orient, of parasites and other natural 

 enemies of the Citrus black fly (Alenrocanthns zvoghmii Ash.), the 

 work to be carried on as a cooperative project. Dr. A. C. Baker of the 

 Bureau of Entomology was designated to represent the United States 

 Department of Agriculture, and Mr. Ernesto Sanchez Estrada, acting 

 Chief of the Seccion de Sanidad Vegetal, Habana, and S. C. Bruner, 

 Chief of the Department of Plant Pathology and Entomology, of the 

 Agricultural Experiment Station, Santiago de las Vegas, were desig- 

 nated to represent the Cuban Government. This work is now under 



