The black fly of citrus and other subtropical plants . cinity of Limonand as far inland as Peralta, on the Northern Railroad. The maps show the distribution of the black fly in the world (fig. 1),in the West Indies (fig. 2), and in Cuba (fig. 3). 6 BULLETIN 885, U. S. DEPARTMENT OE AGRICULTURE. In the Canal Zone this insect has been found at Cristobal, MountHope, Gatun, Frijoles, Pedro Miguel, Miraflores, Corozal, Balboa,Palo Seco, and Ancon, and in the Republic of Panama it has beenfound in Colon, Panama (including the suburbs), the Las Sabanasregion north of Panama as far as Rio Bajo, Panama
The black fly of citrus and other subtropical plants . cinity of Limonand as far inland as Peralta, on the Northern Railroad. The maps show the distribution of the black fly in the world (fig. 1),in the West Indies (fig. 2), and in Cuba (fig. 3). 6 BULLETIN 885, U. S. DEPARTMENT OE AGRICULTURE. In the Canal Zone this insect has been found at Cristobal, MountHope, Gatun, Frijoles, Pedro Miguel, Miraflores, Corozal, Balboa,Palo Seco, and Ancon, and in the Republic of Panama it has beenfound in Colon, Panama (including the suburbs), the Las Sabanasregion north of Panama as far as Rio Bajo, Panama Vieja (OldPanama), and Taboga Island. It was not found at the large citrusplantation at Juan Mina, or at Limon, Summit, Las Cascadas,Empire, Gamboa, Venado, Bracho, Mindi, Toro Point, France Field,or Coco Solo in the Canal Zone, or at Pueblo Neuvo, Matias Hernan-dez, Arraijan, Chorrera, Chepo, Pecora, or Almirante (Bocas delToro region) in the Republic of Panama, at all of which points in-spections have been made by the authors or by Ignacio Fig. 4.—Distribution of the black fly in the Canal Zone and adjoining parts of the Republic of Panama. The map (fig. 4) shows the distribution of this pest in the Canal Zoneand adjoining parts of the Republic of Panama. The hosts on which Aleurocanihus woglumihsLS been found in variousparts of the Old and New Worlds will be found under the heading,Food plants, page 14. SPREAD OF THE INSECT IN THE NEW WORLD. Ashby (3) says that Aleurocanthus woglumi was probably broughthere [Jamaica] on mango cuttings from India within the last 20years. Morrison, after his investigation of conditions in Jamaica,believes that the pest has been introduced certainly within 10 yearsor even as late as 1910. There is no question that the insect wasfirst introduced into Jamaica from India either on mango or someother host, and that from this focus in the New World it has spreadto Nassau, New Providence, Bahama, the Guantanamo and Santiagode Cuba regions
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