Study on the geographic distribution and host identification of the mediterranean fruit fly in eight districts of Manabí. Ecuador.

Abstract

The objectives of this research were to determine the geographical distribution of C.capitata and identifying its host fruit for the determination of appropriate action by the competent authorities. The study was conducted from August 2001 to April 2002 in Portoviejo, Santa Ana, Chone, Junín, Bolivar, Tosagua, Sucre and Rocafuerte cantons. For the experimental management techniques fly trapping and fruit sampling in each of the 68 locations chosen were used. Trapping was based on the use of traps Jackson type with trimedlure (sexual attractant for adult males) and McPhail traps with swabs (based food attractant which attracts yeast males and females). The sample consisted of collecting fruits of the tree and the soil, and finally process them in the laboratory and expect the emergence of adults. The results showed that by trapping in the province of Manabi; C.capitata is located only five rural parishes of the canton Portoviejo (Columbus, Calderon Picoaza, Riochico and Crucita). The host fruit fly Mediterranean identified in Manabi (Portoviejo) were almond (T.catappa), guava (P.guajaba) and pechiche (V. gigantea). The incidence of C.capitata months were August, September, November, January, February and March.